Polyester. High quality fabrics, fine cutting, excellent workmanship, super soft to your touch and safe for skin.Our funny elephant shorts not only have a three-dimensional trunk but also big ears! Oh look, the elephant's ears are covering his eyes!HIGH QUALITY SKIN-FRIENDLY MATERIALS: Our cute cartoon animal pants are made of soft polyester fiber, which is very suitable for home casual shorts. Wearing it as lounging and sleeping shorts is very comfortable.THE BEST GIFT FOR FUNNY LOVERS: This funny casual elephant animal shorts makes best gift idea is very suitable as a gift for friends or family. It is cute, simple and comfortable.To ensure you can get a satisfying SIZE of our Adult Animal Pants, please check the SIZE CHART before ordering. Machine wash cold,do not dry clean or bleach, tumble dry low with care.