Features: Toilet seal part is a replacement repair kit suitable for 300, 310, 320 toilet seal. Before purchasing the product, please confirm that the toilet gasket is suitable for your toilet. The toilet flanges seal can effectively deal with the problem of awful smell and water leakage caused by the rupture of the toilet seal. It can ensuring that the gasket will not deforms or even crack due to aging for long time, and have long service life. Easy to install. Just taking out the old toilet rings seal and clean the rims and bowl area where the old seal is, then replace it with the new toilet seal. Finally, secure the toilet using the provided bolts, nut and bolt caps. Package Contains: 2pcs T-screws, 2pcs washers, 2pcs nut, 2pcs bolt covers, 1pc seal. Specifications: Component: EDPM Coppers Gasket Diameter: about 12.7cm/5inch Package Includes: 2PCS T-Screws 2PCS Washers 2PCS nut 2PCS Bolt Covers 1pc Seal note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.