Usage Tips:Product description Color: Black White Diameter: 19mm 25mm Material: rubber Quantity: 32 pieces Package contents: 32 pieces x pipe plugs round 1. Good material: very and stable pipe plugs round black made of polyethylene (PE) impact-resistant - UV-resistant and weather-resistant for outdoor use. 2. Multi-layer design: end cap tube are with 4 layers to increase the durability of plugs, to extend the life of furniture or machines. 3. Floor Protection: This rubber leg cap likes a glove for the furniture, protects your beautiful hardwood, ceramic tile and linoleum floors from damage and scratches. In addition, the cover caps help extend the life of your furniture by protecting it from harsh exterior surfaces such as gravel and concrete. 4. Wide application: It can be applied to many types of furniture legs, including metal furniture legs and wooden furniture legs. Suitable for tile, hardwood floors, vinyl floors, tile floors and laminate floors. 5. Areas of application: chair gliders, furniture gliders, end caps for round tubes. Also suitable for sloping chair legs. However, the angle of inclination should not exceed 25 degrees.