Baby Deedee Sleep Nest Baby Deedee Sleep Nest Sleeping Sack, Warm Baby Sleeping Bag fits Newborns and Infants,Large (18-36 Months) 00% Cotton SAFE AND COZY SLEEP: breathable fabric & comforting cocoon shape mean a restful night’s sleep for all UNIQUE FEATURE: exclusive shoulder straps make placing a sleeping or standing baby in the sleep nest a cinch, high-quality reverse zipper. Filling is 100 percent polyester HIGH QUALITY: 100% cotton exterior, soft quilted interior WINTER WEIGHT: quilted duvet material, extra layer of warmth, TOG 2.5, Recommended room temp 64-74 DegreeF Machine wash cold inside out with like colors. Don't bleach, tumble dry low, don't dry clean The baby deedee sleep nest is a quilted wearable duvet blanket for babies 0-36 months. Designed in a comforting cocoon-like shape to help baby feel cozy and secure, it's the perfect transition from the womb or swaddling stage. Unique shoulder snaps make it easy to place baby into the sleep nest, even while sleeping, in just 2 easy snaps. Small is suitable for babies 0-6 months and 10-18 lb. Medium is suitable for babies 6-18 months and 16-26 lb. Large is suitable for babies 18-36 months and 25-35 lb. Winter weight TOG 2.5