Lasco 4.5"x3"x1.75" Black Plastic Back Toilet Tank Flapper with Chain for Coast. It is made of plastic and comes with a chain for easy installation. This flapper fits over the posts of plastic flush valves and allows water to flow out of the tank when you flush.

• Rubber
• With chain and hook
• Install over post on flush valve
• When you flush,it lets the water out of the tank
• Fits most