Toy Farm Unisex Animal Summer Pyjamas - Rainbow Stripes Unicorn Kids Summer Onesie (Book-week / Nightwear / Halloween / Pyjama Days)This is the Kid's Sizing. To see this in Adult sizing click here. Unicorns are magical creatures and now you can have magical adventures in this soft, comfortable unicorn onesie. This unicorn onesie costume is in a colourful colour and a white stomach. The hood of this summer onesie features a unicorn face with pink ears, a pink mane and a yellow horn. It is the perfect costume for Halloween, dress up, ComicCon, cosplay, parties or special events.