Plastic material: The chair cup holder is made of plastic, with a and lightweight plastic structure that means it will not rust, is easy to slide and move, and can be used as a portable table; the cup holder is suitable for most chairs.Chair Cup Holder Beach Chair Cup Holder Utility: The slot of the small clip chair tray can fix the mobile phone, tea cup or coffee cup with handle, snacks and other things in place. Beach Chair Cup Holder Cup Holder Tray Anti slip, strong load-bearing: The surface of the chair cup holder is not smooth, anti friction, and not easy to scratch; the chair cup holder has strong load-bearing capacity and is not easily damaged. Cup Holder Tray Cup Holder for Desk Wide scope of application: Chair cup holder is suitable for various folding chairs, lounge chairs, beach chairs, baby chairs, etc., especially for cross legged folding chair; it is an ideal for camping, beaches, and other outdoor activities. Cup Holder for Desk Stroller Cup Holder Easy to install: The chair cup holder is easy to install on a recliner, with two semi enclosed lifting rings designed near the edge of this cup slot. You only need to hang it on the side of the chair foot to complete the installation project. Stroller Cup Holder