Southern Refinery; Bringing you stylish and affordable clothing -Made of 95% bamboo 5% viscose this soft/stretchy fabric is great for all seasons and is gentle on sensitive skin - Made with eco friendly material. - 220 gsm so it is thicker than some bamboo companies but still able to stretch and guarantee to last longer than traditional cotton pajamas - On infant sizes (0/3-18/24) cuffs can fold over feet and hands creating a footie pj with mittens. - Onesie is in sizes 0/3-18/24 and two piece matching set is 2t-5/6t - Snug fit in accordance to CPSC safety regulations. Please see size Chart in photo for correct sizing. These run true to size but please note they do have stretch.