BloomStar isdedicated to the manufacture and design of Baby products. Our main productsinclude Sleep bag, Bedding set, Blanket,Baby Wipes, Changing Pad Cover, FittedSheet, Baby Burp etc. This sleep bag ismade of 100% cotton, double layer muslin, lightweight and breathable, supersoft and cozy for baby to wear. Separate legsdesign allows room for kicking, but cannot be kicked off so baby stays warm allnight. snap design oncrotch makes diaper changing much easier, it is convenient for baby movingaround. 0.5 TOG ---Temperture from 72-83℉/22-28℃, suitable for Summer,Warm Envirement and Rooms with Heat or A/C. size: XS Babies Between 27-32" 9-18M, S Babies Between 32-36" 18-36M M Babies Between 36-40" 3-4T L Babies Between 40-45" 4-6T XL Babies Between 45-49" 5-7T