Kirkland Signature Girls 2-Piece Organic Cotton Pajama Set 100% Cotton Imported The Kirkland Signature 2-Piece Organic Cotton Pajama Set is made from chemical-free, 100% organic cotton. Organic cotton is grown without the use of synthetic pesticides, insecticides or soil additives, and using organic cottonseeds that are not genetically modified. The pajamas have banding at the ankles and wrists to ensure a snug fit. Sizes available are from 3T to 10