Universal Size: each caster cup carpet protector has a diameter of 5cm and a height of 1.5 cm, It can suitable for all furniture which the feet less than 5cm.Right size makes it easier to install and use Protect Carpeted Surfaces: Clear Spiked Carpet Protectors are an essential item for ensuring that your carpets remain damage free from any unsightly dents or marks from heavy furniture.such as sofas, tables, chairs or roller wheels. Even if is too thick, the tip of the protector is still marked, which can be restored by smoothing with your hands. parent Color Design: The caster cup is made of high quality plastic, the white is parent and clear, you canand#39;t see it when supporting the furniture feet and casters, it can protect your carpet well without the home decoration Sufficient Quantity: 8pcs Spiked Furniture Cups for Carpet Protection are included in the package; Sufficient quantity can meet your furniture needs and let them provide all-round protection for your carpet. This is a must-have household item for the living room. Wide Application: these furniture legs or casters can be placed directly on cups for temporary or long-term use; And those carpet protectors can grip carpet, ensures that the weight from items are evenly distributed to your carpet.Suitable for tables, sofas, chairs, curio cabinets, desks and so on Colour: parent Material:Plastic Size:Diameter:55mm Package Contents: 8 * Carpet Protectors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.