Size small 1.0 TOG Washed and used once Made from ultra-soft and breathable silky bamboo rayon Exterior: Made from 97% Bamboo Rayon and 3% Spandex, Filling: 100% polyester Medium-weight for comfort in cooler temperatures Perfect for babies with sensitive skin or eczema Bamboo is naturally antimicrobial Double zipper makes it easy to use Sleep bags/sleep sacks are a safer alternative to blankets in bed, reducing risk of SIDs AAP recommends no blankets or soft objects in a crib until after 12 months Free from flame retardant chemicals Wash cold water, gentle cycle with like fabrics. Items should be zipped/buttoned up to decrease pilling. Lay flat or hang dry.