PRODUCT DETAILS: made from our signature buttery soft bamboo viscose, these sleepers are perfect for all activities. Ducky Dreams Zippies are designed to be form fitting with the stretch of bamboo making them perfect to grow with your little one for 3X longer than average pajamas Snug fit in accordance with all CPSC safety regulations Buttery Soft Material: 95% Bamboo from Viscose; 5% Spandex Tag-less design perfect for sensitive skin! No need for scissors to cut off those annoying tags 2 way zipper easy for night time blowouts Fold over hand and feet on 0-3M & 3-6M Fold over feet with silica gripper for safe baby cruising 6-12M, 12-18M, 18-24M