Compatibility3.18-inch Diameter Bathtub Overflow Plate,fits most standard-sized bathtubs Chrome Plated Bathtub Overflow Drain Cover MaterialOverflow Crafted from high-quality chrome-plated plastic—boasts a sleek,metallic finish that matches most bathroom fixtures (faucets,towel racks,etc.) while being lightweight and shatter-resistant. Mounting screws: Made of stainless steel,which effectively resists rust,corrosion,and deformation even in the humid bathroom environment,ensuring long-term durability. Easy InstallationTool-for basic replacement: 1. Unscrew the old overflow plate using a regular screwdriver; 2. Align the new plate with the overflow hole,then secure it with the included screw Compatibility3.18-inch Diameter Bathtub Overflow Plate,fits most standard-sized bathtubs Chrome Plated Bathtub Overflow Drain Cover MaterialCrafted from high-quality chrome-plated plastic—boasts a sleek,metallic finish that matches most bathroom fixtures (faucets,towel racks,etc.) while being lightweight and shatter-resistant. Mounting screws: Made of stainless steel,which effectively resists rust,corrosion,and deformation even in the humid bathroom environment,ensuring long-term durability. Easy Installation1. Unscrew the old overflow plate using a regular screwdriver; 2. Align the new plate with the overflow hole,then secure it with the included screw 4. Package Includes1 x Bathtub Overflow Plate (chrome-plated,3.18" diameter)1 x H-plate (for stable mounting,prevents plate wobbling)1 x Green Mounting Washer (creates a tight seal,avoids water leakage around the overflow hole)1 x Stainless Steel Mounting Screw (rust-proof,fits standard installation depth).