Suitable for: these toilet tank gaskets are suitable for Mansfield models 210 and 211 series; You will get 4 pieces toilet seal replacement in red color; Enough quantity can reduce the number of purchases, protect your home life and meet your demands Proper Size: toilet flush valve seal measures about 8.1 x 8.5 x 0.16 cm/ 2-1/8 x 3-1/8 x 1/16 inch ; Suitable size fits well for most toilet, please check the size before ordering Quality Material: the toilet valve seals are made of rubber, with nice deformability and corrosion resistance, which can prolong the service life of the product and help your toilet work better Easy to Install: installation dose not need complicated process, the valve seal repair kit can be installed easily with simple steps, please see the installation tutorial below for details Solve Your Troubles: the toilet valve seal replacement is to solve the problem of excessive flushing sound and too small flushing volume of your toilet, which has caused trouble to your life; The existence of these toilet seal parts is to solve your troubles and make your home life happy and easy