Rock Star Baby Girls & Boys Bodysuit Dress Up Outfit Fabric: 60% cotton, 40% polyester Snap closure Machine wash warm, tumble dry low Size: Newborn, Height: 17.5-21 Inches, Weight: 5.5-7.5 Pounds Size: 0-3 Months, Height: 21.5-23 Inches, Weight: 8-12 Pounds Size: 3-6 Months, Height: 23.5-26 Inches, Weight: 12.5-16 Pounds Size: 12 Months, Height: 2829.5 Inches, Weight: 19.5-22 Pounds Size: 18 Months, Height: 30.531.5 Inches, Weight: 22.5-26 Pounds