Cut off the air duct of the outer door to effectively block the temperature.
58inch* Keep away from sound, light, and dust.* Material: Silicone Rubber* Size: 5*98cm/1. There are 3 baffles with different heights on the bottom to prevent convection of outdoor and indoor air, block cold air in summer, and keep warm in winter * Imported Door Draft Stopper Under Door Draft Blocker Strong Adhesive Door Sweep Dust and Noise Insulator Weather Stripping Noise Stopper.