This toilet tank accessory kit features a rubber sealing ring gasket that fits snugly at the bottom of the water inlet valve. The gasket is crafted to withstand constant exposure to water and pressure, ensuring performance. Easy to install, it provides a good seal, preventing water from seeping out and causing potential damage to your bathroom floor. Features -Color:Multi -Material:Rubber -Size:4.20X4.20X1.20cm/1.65X1.65X0.47in -Size:4.50X4.50X0.10cm/1.77X1.77X0.04in -Size:4.00X3.50X1.20cm/1.57X1.38X0.47in - material: made from rubber, the sealing ring offers durability and resistance to wear and tear. -Easy installation: designed for easy installation, this kit is good for both diy enthusiasts and professional plumbers. -Consistent performance: ensures consistent water flow and efficient , maintaining optimal toilet performance. -Aging resistance: the bottom sealing ring is designed to resist aging, reducing the need for frequent replacements. -Comprehensive solution: includes all necessary components for a complete toilet inlet valve setup, simplifying the purchasing process Package list: 1 set (4pcs rubber pads, 4pcs nuts, 4pcs toilet seal washers )