DoubleSided door draft stopper designed to block air circulation from inside and outside, preventing heat loss and helping you stay comfortable in all seasons. AllSeason protection: Keeps warm air in during winter and cool air in during summer. Blocks cold air from entering, reduces the escape of cool AC air, and also helps reduce noise and prevent dirt from entering your home. Quality materials: Made from quality PVC and sponge. The soft material protects floor surfaces, offers long service life, and is easy to clean. Easy installation: 1) Measure the width of your door and cut the sponge roll to the needed size. 2) Place the door draft guard under the bottom of the door. 3) It is ready to use. Use scenarios: In winter, seal drafts from entry doors to maintain warmth and potentially reduce heating costs. In summer, minimize air leakage so cooling is more effective and your AC works more efficiently. In noisy or dusty environments, reduce outside noise and block dirt from entering through gaps under doors. Specifications and features: Function: blocks air flow from both sides to prevent heat loss and control indoor temperature. Compatibility: designed to fit under the bottom of doors when cut to the appropriate length. Size: cuttofit sponge roll; measure your door width before trimming. Material: PVC and sponge for soft, floorsafe contact and durability. Performance: improves comfort by reducing drafts, noise, and dirt ingress.