SAFE AND COZY DESIGN- 1 pre-washed sleep sack; wearable blankets create a safe sleeping environment for your baby; eliminating the danger of loose blankets; TOG rating 1.0

SOFT AND BREATHABLE- Made with two layers of lightweight and ultra-soft 100% cotton muslin; it is exceptionally breathable for optimal airflow; reducing your baby's risk of overheating and ensuring comfortable sleep; Sleeveless design reduces the risk of overheating

BABY FRIENDLY- Unzips from the bottom for easy diaper changes. Generous sack design allows room for kicking; but cannot be kicked off so baby stays warm all night

Sizing: Available in Small; Medium; Large; and Extra Large for infants 0-36 months

Safe: Helps to reduce the risk of overheating and eliminates the needs for loose blankets in baby's crib.