Features: 95% Viscose from Bamboo, 5% Spandex Puff sleeves make for the perfect layering piece underneath sleeveless dresses and tops Our bamboo is not chemically treated Care Instructions: Gentle wash cold, inside out, with like colors (make sure all zips are closed) Tumble dry low Pro tips: Lay flat to dry for optimal results Place in garment bag for extra protection Use a color catcher to further prevent color bleeding