The hose washers are made from heavy duty thermoplastic rubber construction.Thicker Material where it counts: Compare to other gardening brands.Soft, Flexible, Pliable, Donut shape conforms to all Hose connections to ensure a watertight seal.These heavy duty rubber hose washers fit all standard 3/4" garden hose fittings.The heavy-duty rubber hose washers fit all standard female garden hose fittings.
