EUC Happiest Baby 100% Organic SNOO Sleep Sack in Ivory - Size Medium, 12-18 lbs. SNOO Sleep Sack is the ultra-soft, ultra-easy swaddle sack that helps babies be happier and sleep longer - and it’s the only sleep sack that should be used with SNOO! SNOO Sack has special wings that slip onto SNOO’s clips to secure babies on their backs and prevent risky rolling. Breathable mesh: All-season design keeps baby cool and comfy. Prevents Risky Rolling: Patented wings attach to SNOO to keep Baby on their back. 100% Organic Cotton. Secure Inner Flaps: Special inner arm bands keep Baby snug all night. Arms-Out Transition: Snaps at shoulder let you swaddle with one or both arms out. Speedy Two-Way Zipper: Opens from top or bottom for smoother diaper changes. Machine Washable: Cool or cold water with like colors, tumble dry low. Pediatrician Designed. Colorway: Ivory. Size: Medium, 12-18 lbs. No stains. Material/wash/size tag have been cut out. :: This is the original design that does not include a leg flap and has a slightly more narrow fit. :: Smoke free and dog friendly home. Reasonable offers welcome! Bundle and save!