88% Polyester, 12% Spandex. No pilling, Non-fading, Stretchy, Squat proof, No limitation, Feeling nothing about what you wear. Machine Wash Top A+ MATERIAL- Polyamide/Spandex. Smooth and Ultra-Soft Fabric that provides extreme comfort with very little weight without restriction. It gives your butt a streamlined look like a Juicy peach. Plus a butt lifting feature for a natural looking back.