Comfy Cubs: Sleep Sack 0-6 Months (2 Pack Blue)

-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.

Ultra-Soft and Breathable Cotton –Comfy Cubs Sleep Bag, Sack for newborns and growing toddlers are woven with 100% natural cotton that’s double knit for strength and cool breathability, so they help wick away sweat and moisture while they sleep.  Covered Zipped for Convenient and Safety – Our Sleep Bag, Sack for kids feature an easy-zip front that lets you slide them in or out quickly with a zipper that’s hidden within the seams and protected by a snap-front closure that prevents pokes or scratches. Optimal Mobility and Movement – The wider base of our Comfy Cubs Sleep Bag, Sack allows children to roll, move, kick, and flex their legs.