Material: Silicone, Silicone material is very flexible, strong anti-aging, flexibl flexibility. environmentally friendly, toxic or harmless free, heat and cold resistant. Waterproof adhesive tape for use in wet conditions, such as the bathroom, laundry room, the kitchen etc. Three-layer design: stronger sound and heat insulation. Effectively prevent noise, dust, cold air passage, and insects such as cockroach and mouse. Easy installation: peel and stick easily. The glue holds perfectly well over time and leaves no traces. Size: 5 x 100cm, Suitable for sealing the gap between 0 - 28mm , Suitable for various facade doors, bedroom, exterior, interior and so on. Doors of different materials like wood, aluminum, glass and plastic all work well.