Organic cotton knit pajamas with smooth seaming surround kids in first layer softness for the best sleep (and better play the next day!). And hand-me-down quality means that 50 washes from now they'll come from the dryer bright as ever. Knit - 93% Organically Grown Cotton 7% Elastane Jersey. This item is NOT preshrunk, expect shrinkage of 1" in width and length. Please buy size accordingly. There will be no refunds on returns of washed items!