General description Our Door Stop - Door Insulator is designed to provide triple protection against wind, dust, and noise. Suitable for doors with a thickness of 35 to 45 mm, it effectively seals gaps of 3-20 mm, ensuring a perfect fit for your bedroom entrance and other doors. Technical specifications Door thickness compatibility: 35 to 45 mm Gap sealing range: 3-20 mm Material: Wear-resistant PVC Installation Easy to install with 8 pieces of traceless glue Usage Reduces noise and friction for smooth door operation Reusable and easy to maintain: simply wash and air dry to preserve waterproof and weatherproof performance Other information