Features:*Made of wonderful material, durable and practical to use*Suitable For All Flooring Including Carpet, Concrete, Laminate, Tile, Wood*Protects Flooring From Any Denting/Marking/Scratching That May OccurSpecifications:Colour: BrownMaterial: PlasticInternal Diameter: 45mmPackage Contents:8 x Caster cupNote:1. The real coloration of the item could also be slightly different from the pictures shown on online page brought on by many factors corresponding to brightness of your monitor and light brightness.2. Please enable slight guide dimension deviation for the data.