Features: 1. Made of polyester that would keep you warm while lounging around and going about. This material is super soft, breathable, anti-static electricity, not easy pilling, and you will feel very comfortable when you wear the onesie pajamas. 2. The animal pajamas feature buttons so that you can put them on and take them off easily. The loose design is comfortable and keeps your freedom when you're sleeping, dancing, or playing outside. 3. Its a good choice for Halloween, animal cosplay, pajama party, thanksgiving, festival, performances, dressing up, home casual, loungewear as sleepwear, etc. 4. S, M, L, XL optional, please check if the size fits you before purchasing. 5. Hand washing in cold water or machine washing in cold water is recommended, do not use bleach.Specification: Material: Polyester Color: Blue Product Size: S, M, L, XL Product Weight: 620g, 630g, 650g, 670gPackage Included: 1 x One Piece Animal Pajamas0