Snuggle up in 100% Organic Cotton, baby! This essential one-piece pajama for your littlest one is so cute they can wear it all day long. 100% Organic Cotton. Super soft, extra smooth and stretchable interlock knit. Lead, phthalate and flame retardant free. Sizes NB and 0-3M have mitten covers at sleeve cuffs. Sizes 6-9M and larger have foot grippers on soles of feet. Machine wash cold on gentle cycle with like colors, or hand wash. Tumble dry low or lay flat to dry.