Features: Brand new and high quality Suitable size, very easy to use. Adapt with the tactic mounting platform. Crafted from firm, good quality nylons material. This rail cover is easily to clean and ensures extended use. If you be not satisfied with our product and have any question, please to contact us. Specifications: Material: Nylons Color Options: 2Colors is Available as Show in the Pictures. Package Weight: about.30g Size: As The Picture Shows Package Includes: 1Pc Rail Cover note: Please allow 1-2cm error due to manual measurement. Please make sures you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual colorful of the item. Thanks!