This is a rubber round watch gasket that keep your watch water resistant. Made of rubber material and of fair quality. These are excellent replacements for many of watches, and also for non brand watch. This is excellent for most watches, especially if you are doing watch battery replacement. Features -Color:Black -Material:Rubber -Size:0.36X0.36X0.05cm/0.14X0.14X0.02in - This is a rubber round watch gasket with sufficient number and can be stored in a box. - Made of rubber material, you can even send this seal ring to your friends who is going to repair the watch. - These are excellent replacements for many of the sizes of watches, you can use it with confidence. - Perfect for watch repair shops, the large-capacity full-specification combination saves you time box money - Gaskets will stretch a couple of millimeters and will also work on watches of shapes other than round. Package list: 1 of Rubber Rings