97% Rayon made from Bamboo, 3% Spandex 46 in X 46 in Highly breathable Versatile use Our Rayon made from Bamboo swaddles are cozy and super soft to the touch. Use them as a lightweight blanket, knotted gown, nursing cover, or car seat and stroller cover. Long, stretchy, and perfect for little ones to cuddle, these swaddle blankets will last you long past swaddling age.