NEW Halloween Costume Kids Unisex Unicorn Animal Cosplay Sleepwear Pajamas. Make bedtime fun again with our whimsically detailed pajama costumes! Looking for a unique halloween costume or need something fast for your child's play. These Kigurumi are great for your little one's trick-or-treat outings, school plays, or just as a neat outfit to help your child stand out. Easy to wear and remove. Currently available for children aged 6-7 Size: S: 6-7: Pajama Length 42" From shoulder to ankle.