Plastic body with good wear resistance and toughness, not easy to break. It is great for protecting your household furniture tables and chairs from moving or sliding around, also can protect your tile, wood or vinyl floor from scratches. Keep your couch from leaving a big dent in the floor when nothing is under the legs. They will work great on furniture legs, such as chair leg, table leg, couch leg, etc. Ideal for keeping water out and stop rusting from inside.