Product: Double‑Sided Door Design Stopper — Wind Plug and Under‑Door Seal Why you need it Blocks the gap under the door to stop drafts, reduce noise, and cut light and smoke from entering a room. Protects the bottom of the door from wear and friction, extending service life. Helps reduce odors and moisture transfer that can contribute to mold inside. Key features Double‑sided design: seals both sides of the door gap for stronger protection against wind, noise, light and smoke. Quality material: durable PVC outer shell with an inner sponge roll for a flexible, long‑lasting seal. Universal fit: trimtosize sponge roll lets you fit most interior and exterior doors — measure the door width and cut to match. Easy installation: measure, cut the sponge roll to the door width, slide the design stopper under the door — no tools or adhesive required. Multifunction: reduces light, noise, drafts, smoke and odors while keeping doors off the floor to prevent scraping and wear. Performance and compatibility Material: ‑quality, durable PVC outer casing with a compressible sponge core for effective sealing and longevity. Function: wind plug and under‑door soundproofing; minimizes drafts and helps block vapors and other airborne nuisances. Size: cuttofit; measure door width and trim the sponge roll to the required length for a custom fit. Practical applications (scenarios) Bedroom: reduces hallway noise and light for better sleep by sealing the gap under the door. Entryway/front door: prevents cold or hot drafts and outdoor smells from entering living spaces and protects the door bottom from wear. Bathroom or laundry: limits steam and odors from moving into adjacent rooms and helps control humidity transfer. What's included Double‑sided door design stopper with PVC outer casing and sponge roll insert (cuttofit). Simple installation steps 1. Measure the width of your door. 2. Cut the sponge roll to the measured size. 3. Place the stopper under the door; adjust until it seals evenly. Notes Designed for under‑door use on bedroom doors, front/back doors, office doors, cellar doors, garage entry doors and bathroom doors. Intended to reduce light, noise, drafts, odors and smoke; performance depends on door clearance and installation.