Durable material: The desk hole cover is made of white silicone, which is durable, corrosion-resistant, and stable for long-term use. Easy to install: Drill a suitable hole first with a recommended diameter of 0.97 inch (24.5 mm), then insert the silicone cover into the hole for effective cable management. Suitable size: The silicone desktop grommet measures approximately 1 inch in inner diameter, suitable for wires or cables with a diameter of 1 inch or less, helping keep your desktop neat. Wide range of applications: These desktop cable grommets provide an efficient way to organize wires and cables; ideal for use with computer desks, PC peripherals, office equipment, home, office, and school entertainment systems. Practical function: Wire grommets help protect cables from sharp edges and cover desk holes, contributing to a tidy workspace. Features: - Quantity: 12 pieces - Color: White - Material: Silicone - Inner diameter: 25 mm (1 inch) - Outer diameter: 29 mm (1.1 inch) Package includes: 12 x Grommets Note: Due to manual measurement, there may be slight variations in dimensions.