About this item 【Durable materials】The curtain track is made of PVC, metal and plastic, the curtain clip is made of stainless steel.Our rollers are thicker than ordinary rollers and have a stronger load-bearing capacity. 【Flexible & Bendable】The curved ceiling Curtain track system can bend and twist to fit a range of window shapes and sizes.Made of durable PVC plastic, this curtain track is designed to be flexible, but strong enough not to crack or break. 【Easy To Install】The ceiling curtain track is adopted to the ceiling using snap-on brackets and slide-on track rollers for easy to install and to help you assemble the curtain rail in a smooth and easy way.The corner can use U, L, Z, arc, circle for installation. .