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 baby or standing toddler in the sleep bag a cinch, high-quality reverse zipper for quick diaper changes, 2-layers of super soft cotton against baby's sensitive skin HIGH QUALITY: 100% cotton exterior, soft quilted interior. Filling is 100% polyester for easy machine wash and dry. 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