[perfect Replacement]: Compatible with 7381424-100.0070A toilet seal. [ Materials]: Made from , dry-rot silicone rubber toilet parts. they have better durability, remaining usable longer than stock flapper seals. [Easy to Install]: It takes less than 5 minutes to install these silicone seals for toilets, Installation is simpler than you had expect, and does not require any tools for installation. First, you ll need to identify the side that is leaking, drain the tank, remove the old silicone seals, replace them with seals, and fill the tank back up, You continue to use toilets. Colour:Transparent Material:Silica gel Package Contents: 5 * Toilet Tank Silicone Flapper Seal Gasket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.