DescriptionIt is made of material, strong sealing and long service life. It is easy to install. Applicable to the old fashioned toilet tank installation. Compatiable with most outdated toilet.Features- Color: Blue - Material: Rubber. - Size: Approx. 10x8x2cm - It is made of material, strong sealing and long service life. - It is easy to install. - Applicable to the old fashioned toilet tank installation. - Compatiable with most outdated toilet. - Good choice for your closestool. - Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you!