Features: Versatile Application Across Settings: This floor transition strip is versatile, applied in homes, offices, and public buildings. It reduces gaps up to 1 inch between uneven surfaces, suitable for threshold for doorways. Ideal for wheelchair ramps for doorways, it also aids smooth passage of carts, strollers, and bikes, proving a practical transition strip. Effortless Installation & Multi-Surface Use: No tools needed—just peel and stick the adhesive-backed transition strip to concrete, wood, or tile. Works as a door ramp for uneven floors, a wheelchair ramp for doorways, or a protective buffer for high-traffic areas. The neutral black color blends discreetly with any decor. Specifications: Material: PVC Color: black Size: about 1'' H x 4'' W x 40'' L Package includes: 1 x Threshold ramps for doorways Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.