- STRONG AND DURABLE: Crafted from high-quality, flexible natural rubber, these large door stops are designed to withstand daily use without deforming. They are ROHS compliant and built for long-lasting performance, ensuring your floors remain scratch and scuff-free. - IDEAL SIZE FOR VARIOUS DOORS: Each door stopper measures 6.5 inches (L) x 2.76 inches (W) x 1.9 inches (H), accommodating door clearances up to 1.9 inches. One wedge is sufficient for holding doors securely, making them suitable for both indoor and outdoor applications in homes, offices, garages, schools, and hospitals. - VERSATILE SURFACE COMPATIBILITY: These rubber door stoppers are effective on a variety of surfaces, including wooden, glass, and heavy industrial doors. They provide reliable support on tile, concrete, or wooden floors, preventing unwanted door movement. - STACKABLE DESIGN FOR EASY USE: Featuring a sloped design, these door wedges can be stacked back-to-back for wider gaps. The reinforced edges ensure durability, while the hollow design offers sturdy support, making them perfect for frequent use without risk of cracking. Use scenarios: 1. Keep office doors open during meetings or conferences while preventing slamming. 2. Secure garage doors in place while loading or unloading items, ensuring safety and convenience. 3. Use in schools or hospitals to maintain open access to hallways and rooms without the need to hold doors manually.