100% Cotton Imported SUPER SOFT FABRIC - Made with super-fine and supremely breathable organic cotton, simultaneous hypoallergenic for sensitive skin, sleep sack is the softest, coziest blanket alternative for babies. SAFE SLEEP - JELLYMONI baby sleeping bags are certified to meet Consumer Product Safety Commission (CPSC) guidelines and are designed for safe sleep with babies in mind.Perfect shape allows hips to move and kick freely, giving you peace of mind and helping your baby sleep through the night! 0.5 TOG - This baby sleep bag perfect for 23 to 26 °C or 74 to 78 °F，We recommend a heavier TOG during cooler months and a lighter one during warmer months, provide the most comfortable temperature for your baby. TWO-WAY ZIPPER - Open the zipper from the bottom for easy diaper changes or from the top for easy dressing, with a top zipper garage to protect baby's face from chafing quilted for pillowy softness. 100% Cotton