Description:[Material] Our spiked caster cup is made of plastic, which is wear-resistant, strong, and durable. It has excellent load-bearing capacity and can be used repeatedly for a long time.[Easy to Use] Place the Spiked Caster Cups on the furniture legs with the spiked part facing down. This protects your furniture and carpets. The color is transparent and blends well into your home decor.[Spike Design] Spiked Caster Cups adopt a spike design, which can distribute the weight evenly, reduce wear and tear on the carpet surface, and reduce indentation. It can prevent the wheels from rolling or the furniture from moving, ensuring that the furniture is fixed in place without worrying about the furniture sliding.[Wide Application] Suitable for all furniture, durable furniture coasters can be used on tables, sofas, chairs, cabinets, desks, etc.Specification:Material: PlasticOverall length: 45.5mm/1.79 inchesInner diameter: 37mm/1.46 inchesHeight: 16mm/0.63inPackage Contents:4 x Spiked Caster Cups