High quality 304 stainless steel perforated sheet - Rust resistant, very strong, and durable for long outdoor use. The surface is flat with uniform strength. Fine workmanship - Precise fabrication with smooth edges. Protective film guards the surface during handling; remove the film for a clean, finished look. Practical and unobtrusive design - Very small mesh diameter with round holes neatly arranged. The fine pattern is secure for pets and does not obstruct your view. Safety and protection - Ideal for indoor and outdoor balcony use. Prevents shoes, plants, toys, and other items from falling from windows or railings. Helps protect children from falling from windows and provides maximum safety during play. Use scenarios - Balcony safety: install on railings to keep children and pets safe while you enjoy the outdoors. - Window protection: place on sills or frames to prevent objects from dropping outside. - Pet and play areas: creates a contained, safer space on patios or verandas without compromising visibility. Material, size, and performance - 304 stainless steel, rustproof, strong, and designed for outdoor longevity. - Ultra-fine mesh and neatly arranged holes offer security without blocking sight. - Finishing features include a protective film and smooth edges for easy handling and a clean appearance.