Zipper design allows for easy and quick opening and closing to add or remove cables according to your wire size. Black cable ties with adjustable design can meet your different needs. Securely holds wires in place. Although the adhesive pad is strong, if it loses effectiveness, you can use screws to fix the cable ties, as the items feature built-in small holes for reuse. Self-adhesive pads work well on various flat surfaces such as plastic, wood, glass, metal, and rubber. Wire holders are easy to apply and remove. They adhere quickly to surfaces and can be removed without damage or residue. No additional tools required. This cord management system works well with power cords, charging cables, USB cords, holiday lights, network cables, car cables, and more. A practical helper and ideal gift for home or office use. Color: Black Material: Nylon Size: Large: 9.5 cm x 2 cm / 3.7 x 0.8 inch Small: 9.5 cm x 1.7 cm / 3.7 x 0.7 inch Package Contents: 25 x Small cable tie mount 25 x Large cable tie mount Note: Apply cable tie mounts on clean and smooth surfaces. Package includes only the items listed; other products are not included. Lighting and display settings may cause slight color differences between the image and the actual item. Measurement error allowed is +/- 1-3 cm.