This little and big boy's 2-piece pajama set from Sleep On It is a smart pairing for a cozy night�s sleep. Each piece is made from soft stretch thermal fabric and includes a short-sleeve t-shirt with a crew neck and a pair of matching pull-on shorts with an elastic-drawstring waistband. # Pieces In Set: 2 1st Piece Description: Top 1st Piece Apparel Length: 22 Inches 1st Piece Fabric: Thermal 1st Piece Fiber Content: 100% Polyester 1st Piece Care: Machine Wash 2nd Piece Description: Short 2nd Piece Closure Type: Full Elastic, Drawstring 2nd Piece Apparel Length: 16 Inches 2nd Piece Fabric: Thermal 2nd Piece Fiber Content: 100% Polyester 2nd Piece Care: Machine Wash Fabric Description: Thermal 1st Piece Neckline: Crew Neck 1st Piece Sleeve Length: Short Sleeves Care: Machine Wash, Tumble Dry Country of Origin: Imported Fabric and fit are important safety considerations for children’s sleepwear. Sleepwear should be flame resistant or snug-fitting to meet U.S. Consumer Product Safety Commission sleepwear requirements.