Kyte Baby wearable blanket, dual J-shaped zipper. Size large. Typically suitable for baby 18-36 months. .5 TOG. Light grey color, storm. Product is used and has been washed using fragrance-free detergent. The same size sleep sack is also listed in 3 of my other listings. Please let me know if you are interested in purchasing all 4 sleep sacks. Exterior: 97% Rayon made from Bamboo, 3% Spandex Filling: 100% Polyester STANDARD 100 by OEKO-TEX®