Includes 3- Snoo Comforter Sacks - Medium No rips & no stains Intended for use in SNOO only SNOO Comforter Sack (our warmer wrap), were specially designed to be used in SNOO Smart Sleeper to help babies sleep safer, longer, and happier! SNOO Comforter Sack keeps babies warm during nippy nights and naps—without risky loose blankets! Made with a super-soft 100% organic cotton shell that’s filled with 100% recycled insulation, SNOO Comforter Sack safely adds warmth when babies need it.