Material: Constructed from zinc alloy for durability and corrosion resistance. Mount: Designed for wall or floor mount to keep doors sely open. : Provides a hold to doors from slamm. Surface: Works on smooth surfaces includ wood, glass, metal, marble, and composites. Application: Suitable for interior and exterior doors in homes, offices, hotels, RVs, and more. Broad utilization: ground door stopper can be applied on most smooth surfaces, suitable for any apartment, school or office, heavy door, glass door, balcony door or window sash and more., Manufacturer: KXCVBNKLJ