Featured
Blue Monster Onesie
$44.95
$49.90
Impress your friends with our lovely Onesie!
Winnie the Pooh Onesie
$39.95
$49.90
Impress your friends with our lovely Onesie!
Cow Onesie
$39.95
$49.90
Impress your friends with our lovely Onesie!
Eeyore Donkey Onesie
$39.95
$49.90
Impress your friends with our lovely Onesie!
Penguin Onesie
$39.95
$49.90
Impress your friends with our lovely Onesie!
Olaf Onesie
$39.95
$49.90
Impress your friends with our lovely Onesie!
Jump Tiger Onesie
$39.95
$49.90
Impress your friends with our lovely Onesie!
Girls Light Up LED Tutu Dress Dance Short Mini Skirt Dancewear
$9.95
Layered ballet tutu with led lights, made of high quality materials, with vibrant colors, soft and comfortable to wear. Perfect for dance, ballet, school performance, book week, costumes parties, dress up, jazz and tap, pageant, carnival, celebrations, photography and birthday party.
Green Dinosaur Onesie
$39.95
$49.90
Impress your friends with our lovely Onesie!
Despicable Minion Onesie
$39.95
$49.90
Impress your friends with our lovely Onesie!
New Product
Plush Animal Hat Long Short Winter Headwear
$17.95
Stay warm and stylish with this plush animal hat available in long and short styles. Featuring various cute designs like tiger, frog, and monkey, it is perfect for winter outings, parties, or fun photo shoots for kids and adults.
Cheerleader Pompoms 6 Pairs Set
$14.95
Vibrant 6 pair set of cheerleader pompoms in red, pink, blue, and purple. Features a metallic finish and easy-grip handle. Perfect for dance routines, school spirit events, sports games, and costume parties to add energetic flair.
Solar Fountain
$0.00
p>Experience the beauty and serenity of flowing water without the hassle of cords, batteries, or electricity bills. Our solar-powered fountain combines cutting-edge technology with elegant design to create the perfect water feature for any outdoor space.
White Noise Machine
$69.95
$89.95
Transform Your Sleep and Wake Experience
Experience the ultimate all-in-one sleep solution that combines advanced sunrise simulation with the industry's largest sound library and longest battery life. Wake up feeling refreshed and energized naturally, without the shock of traditional alarms.
Girls Princess Mesh Cape Costume with Options of Matching 3-piece Accessory Sets
$49.95
Transform your little one into a magical princess with this Girls Princess Mesh Cape Costume! Perfect for Fairytale Week, Halloween, birthdays, or imaginative play, this outfit adds elegance, sparkle, and a touch of fantasy. Available in multiple vibrant colours, it’s designed to delight kids and parents alike. The options of matching 3-piece accessory sets complete the royal look for endless dress-up fun.
Girls Princess Mesh Cape Fairytale Costume - Blue/White
$39.95
New Release Girls sparkling mesh cape, made of high quality. Texture for comfortable wearing, easy to put on and take off. Suitable for fairy tale princess costume, birthday party, performance, costume party, or theme party.
Girls Princess Mesh Cape Fairytale Costume - Purple/White
$39.95
New Release Girls sparkling mesh cape, made of high quality. Texture for comfortable wearing, easy to put on and take off. Suitable for fairy tale princess costume, birthday party, performance, costume party, or theme party.
Elegant Women's Sheer Lace Shawl Cape with Bow Clasp
$19.95
$29.95
Elevate your bridal or evening ensemble with this Women’s Sheer Lace Shawl. Crafted with delicate lace and layered tulle, this elegant cape features a stunning detailed neckline secured with a decorative bow shawl clasp. Perfect for weddings, parties, or formal events, it adds a touch of sophistication and grace to any outfit. Sheer, elegant three-layered lace and tulle shawl perfect for weddings, evening parties, and special occasions. Available in elegant black, vibrant red, or classic white, each featuring a decorative bow clasp at the neckline.
Elegant Women’s Long Sheer Evening Gloves Formal Events
$14.95
$19.95
Add timeless elegance to any outfit with these Women’s Long Sheer Gloves, perfect for weddings, evening parties, formal events, or special occasions. Available in classic Black, White, or Red, they elevate your look with effortless sophistication.
Womens Sailor Moon Costume Bodysuit Skirt Set
$59.95
This womens sailor-style costume set includes a fitted bodysuit, pleated skirt, and matching bow tie. Designed for cosplay, parties, themed events, and dress-up fun, it offers a flattering look with comfortable stretch fabric for easy all-day wear.
Boys Star Wars Jedi Master Obi-Wan Cosplay Costume
$59.95
Transform your little one into a legendary Jedi Master with this Boy’s Jedi Master Knight Galaxy Warrior Costume. Featuring a beige hooded top, matching belt, pants, and foot covers, this set delivers an authentic cosplay look perfect for Halloween, themed parties, cosplay events, or playtime adventures. Comfortable and durable, it allows young Jedi to move freely while embodying their favourite galactic hero.
Kids 3D Cartoon Animal Knee-High Socks
$19.95
Make dressing fun with these Kids Knee-High Cartoon Animal 3D Socks! Designed with adorable characters, playful 3D elements, and soft and comfortable, they’re the perfect mix of cuteness and practicality for everyday wear, dress-up, and playful outings.
Kids 3D Cartoon Animal Knee-High Socks
$19.95
Make dressing fun with these Kids Knee-High Cartoon Animal 3D Socks! Designed with adorable characters, playful 3D elements, they’re the perfect mix of cuteness and practicality for everyday wear, dress-up, and playful outings.
Kids Rainbow-Striped Knee-High Socks with Ruffled Cuffs
$19.95
Add colour, fun, and style to your child’s wardrobe with these adorable kids’ rainbow-striped knee-high socks featuring ruffled cuffs at the knees! These socks keep little feet comfortable all day while adding a playful, fashionable touch. Perfect for school, playtime, parties, dress-up, or themed events, they combine style, durability, and comfort in one vibrant accessory.
Kids Rainbow-Striped Knee-High Socks
$9.95
Add fun, colour, and comfort to your child’s outfit with these kids’ rainbow-striped knee-high socks! Made from a soft, breathable cotton blend, these durable socks are perfect for school, playtime, dress-up, or everyday wear. With multiple vibrant colour options, they make every outfit brighter and more playful while keeping little feet comfy all day.
Women's 5-Layer Ballet Tutu Skirt for Dance & Cosplay
$19.95
$29.95
Bring colour, movement, and playful style to every performance with this Women’s Dance Tutu Skirt. Designed with five layers of soft tulle, this vibrant mini pettiskirt adds volume and flair, perfect for ballet, parties, cosplay, festivals, and themed events. Available in multiple bold colours, it’s a fun and versatile piece that enhances any outfit.
Women’s Long Flower Dangle Earrings Multiple Colours
$9.95
Add a pop of colour and elegance to any outfit with these Women’s Long Flower Dangle Earrings. Available in multiple vibrant colours, these earrings are designed to make a statement while adding a feminine, floral-inspired touch. Perfect for parties, weddings, festivals, or everyday wear, they bring style and flair to every occasion.
Elegant Women’s Green Floral Necklace & Earring Set
$29.95
Elevate your look with this elegant Women’s Jewelry Set featuring a green floral pendant necklace paired with matching dangle earrings. Designed with intricate detailing and vibrant colour, this coordinated set adds freshness, charm, and sophistication to any outfit—perfect for parties, dinners, weddings, or thoughtful gifting.
Girls Princess Mesh Cape Costume with Matching 3-piece Accessory Sets
$69.95
Transform your little one into a magical princess with this Girls Princess Mesh Cape Costume with matching 3-piece accessory sets! Perfect for Fairytale Week, Halloween, birthdays, or imaginative play, this outfit adds elegance, sparkle, and a touch of fantasy. Available in multiple vibrant colours, it’s designed to delight kids and parents alike to complete the royal look for endless dress-up fun.
Girls Granny Old Lady Costume for Book Week
$39.95
Turn your little one into the cutest granny in town with this Girls Granny Costume! Perfect for 100 Days of School, Book Week, school plays, or dress-up fun, this adorable outfit captures the classic old-lady look with charming details that bring the character to life. A fun, wholesome costume loved by teachers, parents, and kids.
Trending
Pikachu Onesie
$34.95
$49.90
Impress your friends with our lovely Onesie!
Girls Princess Jasmine Arabian Belly Dancer Costume
$34.95
$39.95
Whisk your little one away on a magic carpet ride with our Girls Princess Jasmine Arabian Belly Dancer Costume! Inspired by the exotic beauty of Agrabah, this enchanting costume captures the essence of Princess Jasmine's adventurous spirit. Crafted with attention to detail, it features a shimmering turquoise bodice adorned with intricate gold detailing, reminiscent of Arabian royalty.
Boys Vet Costume for Book Week
$29.95
$39.95
Perfect kids vet costume for book week, Halloween parties any dress-up parties!
Ladies Oktoberfest Bavarian Beer Maid Costume Set - Blue Shirt + Brown Short
$49.95
Perfect Costume Idea for Costume Parties, Dress-up Parties, Hens Night Parties, Easter and Halloween!
Girl Sailor Moon Costume for Book Week
$39.95
$49.95
Transform into the iconic Sailor Guardian with Girl Sailor Moon Costume for Book Week! Perfect for little ones who love adventure and magic, this costume captures the essence of the beloved anime character. Crafted with attention to detail, it features a stunning sailor-style dress in Sailor Moon's signature colors of blue, white, and red, adorned with her iconic brooch and bow.
Belly Dance Hip Scarf Wrap Belt Tribal 268 Coins
$29.95
$39.95
Women's Belly Dancing Belt Hip Scarf with 268 Coins, Velvet Dance Waist Chain Wrap Skirt Straps, for Professional Dancers Performance, Costume Parties, Costume Belt Accessory Idea Gift.
Captain America Kids Raincoat
$29.95
$39.95
Licensed Disney Captain America Raincoat with bag cover. Made with environmental protection PVC
Suitable for Children between 90 ~ 160CM height. Perfect Raincoat for raining days and for book week parties and any dress-up parties!
Kids Red Dinosaur Onesie
$34.95
$49.90
Impress your friends with our lovely Onesie!
Kids Kangaroo Jumpsuit
$39.95
$49.95
Whether for cosplay, costume party, sleepwear, or just simply chilling out, you will be sure to have a good time, and be very comfortable doing so.
Our unisex Jumpsuit are aimed to be comfortable and adorable at the same time, for both men and women, adults and kids. They are very easy to slip on and button up. While they are baggy enough to offer a comfortable range of movement, the fleece material of the Onesie will keep you warm at the same time. We offer four range of adult sizes and 5 kids sizes to make sure you get the best fit.
Our Jumpsuit are easy to put on and so comfy, you would never want to take them off!
Kids Kangaroo Jumpsuit with Joey
$49.95
$54.95
Whether for cosplay, costume party, sleepwear, or just simply chilling out, you will be sure to have a good time, and be very comfortable doing so.
Our unisex Jumpsuit are aimed to be comfortable and adorable at the same time, for both men and women, adults and kids. They are very easy to slip on and button up. While they are baggy enough to offer a comfortable range of movement, the fleece material of the Onesie will keep you warm at the same time. We offer four range of adult sizes and 5 kids sizes to make sure you get the best fit.
Our Jumpsuit are easy to put on and so comfy, you would never want to take them off!
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Costume Bay is an 100% Australia local business based in Sydney to provide a large range and high quality of costumes, including animal onesies, adult onesies, onesies for kids, as well as oktoberfest costumes, gatsby dress, great gatsby costume, lederhosen, 1920s dress, flapper dress and much more.
Onesie became very popular during the late 2000s and early 2010s as a street fashion, especially in the UK and Australia. Costume Bay, as one of the well known onesie Australia supplier, committed to supply high quality onesies and great after sales services that meet the customer's needs. There's no better place to find all kinds of Onesie & Costumes you need at best price. Costume Bay has the onesies you need at a price you'll enjoy.
At Costume Bay, our goal is to achieve 100% satisfaction from our customers and bring you the best value for money. If you have any queries regarding our products and services, please contact us at admin@costumebay.com.au