Material: Light, Soft Comfy silky and shiny, made of satin polyester, which allows the skin to breathe naturally. 3 PCS Pajama Set : Boys silk satin pajamas set comes with comfy short sleeve pajamas shirt, silky shorts, a pair of drawstring elastic waist long pants. Classic short sleeve silk pajama set, you can match this sleepwear in differnt way to meet your needs all year around. Design & Occasions: Breathable and lightweight button down shirt ensures maximum comfort throughout the night.The boys satin sleepwear sets is perfect for daily wearing, sleeping, playing, bathing and lounging indoor and outdoor. Gifts: The perfect gift choice for son, close friends.ect as birthday gift, Christmas gift and other present.Great for birthday party, group trips, travel pajama, pajamas boys night or other Festivals. Care: Low temperature for machine wash is recommended, can use dryer, don't bleach. These kids Pj sets are with sizes 5Y-14 Y to choose from wear in Spring,summer and autumn for boys.