Ensure your little one remains as comfortable as possible with the Comfy Cubs sleep sack newborn. This wearable blanket for baby supports a safe, sound sleep for your little ones. Comfy Cubs baby boy sleep sack is crafted using 100% natural double-knit cotton, offering optimal breathability and softness allowing when your baby sleeps. This sleeper baby assists in making nighttime diaper changes more comfortable with ease, alongside a covering zipper to better secure the zipper with a snap closure. Babies can kick and squirm freely without restraint due to the generous fabric design, letting natural movements occur. This sleeping bag grey is a practical alternative to swaddling for older babies. Sizing: ▪️Small - 10 to 18 pounds who are generally 0-6 months old and 23-26 inches long ▪️Medium - 16 to 24 pounds who are generally 6-12 months old and 26-30 inches long ▪️Large - 22 and 28 pounds who are generally 12-18 months old and 30-35 inches long ▪️X-Large - 26 and 38 pounds who are generally 18-24 months old and 35-40 inches long