This gorgeouss suit is made of 90% acrylic and 10% polyester. The lining is 100% polyester. Notice the detachable collar. There’s a 9 inch zipper on the waist of the skirt and a 9 inch slit. The collar, totally removable, is made of 100% acrylic and the back is 100% polyester. To care for dry clean only. Sb