The connector uses plastic material, which is sturdy and can withstand long time using. Detailed workmanship, the adapter has high durability, not easy to deform or break. Practical fitting is widely applied for many uses like swimming pool, garden irrigation, outdoor applications and so on. Features -Color:White -Material:Plastic -Size:3.50X3.00X3.00cm/1.38X1.18X1.18in -Inner diameter: 20mm - This connector has a smooth surface, safe to your hands, you can use with peace of mind. - Made with plastic material and workmanship, this adapter will not deform or break easily, withstand long term using. - Fit for pool products, irrigation, cold water applications, drinking water applications, DIY shelving, and more uses, fitting is of great and multiple uses. - Detailed workmanship, reasonable structure, practical water adapter can bring you lots of convenience. - Thread designs, not easy to fall, owning stable and sturdy structure, the water connector is easy to install and use. Package list: connectors