1. This product is a non-slip mat, mainly made of plastic materials, safe and gentle, durable, can be stuck on the tube well, and has the effect of anti-skid and noise reduction. It is mainly suitable for your furniture, tables, chairs and trampolines, etc. It is a very simple and practical protective foot pad, which can well meet your practical needs and bring you a lot of convenience. 2. -Color: Black 3. -Material: Plastic 4. -Size(19MM): About 4.00X1.90X2.00cm/1.57X0.75X0.79inch 5. -Size(22MM): About 4.00X2.20X2.00cm/1.57X0.86X0.79inch 6. -It is made of plastic material and has a safe and gentle texture, which can serve you for a long time. 7. -With reasonable design and simple application, you can use it easily. 8. -It has a wide range of uses, suitable for most furniture, tables, chairs, and trampolines. 9. -It has practical functions, can play a good anti-skid, noise reduction effect, and is safer. 10. -This is a very practical non-slip foot pad that can be used in your daily life. 11. Packing list: 50 x Covers