This Short Sleeve Pajamas for kids with a classic shirt collar and front pocket is made of Satin Polyester.Super soft,cool,lightweight & comfortable for loungewear and nightwear Kids Boys Girls Sleepwear Set features a short sleeve,button down top & shorts that will never go out of style.Silk Pjs Set has always been popular.Great for your lovely kids to spend every pleasant evening in the hot summer! The short sleepwear shorts come with an elastic waist that fits right,keeping your kids comfy without being too tight or loose.Durable elastic stands up to rough wear and many washes.Good Quality Satin Nightwear Sets are worth adding to the cart! Believe in Unisex Boys Girls Satin Pajamas Set!Whether you are looking for pajama sets/robes/ bathrobes/nightgowns or sleep shirts. Family Pajamas Matching Sets has everything you need to complete your nighttime wardrobe! This Kids Nightie is great as a birthday gift/family pajamas or for a pajama party! Silk sleepwear short sleeve - Button down loungewear set - to be Kids Nightwear.This 2 Piece Kids Pjs Set is a perfect choice!Please refer to the size chart firstly instead of recommend age