DescriptionThis is a rubber watch gasket that keep your watch water resistant. Made of rubber material and of fair quality. These are excellent replacements for many of the brand 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: 3.00X3.00X0.02cm/1.18X1.18X0.01 inch. - Premium material: Made of rubber, durable, wear-resistant and corrosion resistant. - What you get: Including 950pcs new gaskets with 19 different sizes from 12mm to 30mm, and 50pcs each size. - Stored in a labeled and organized resealable case saves you effort in tidying up and choosing sizes. - Application: They are suitable for watch repair and DIY watchmaker. - Adopts precision production to the stable characteristics and high reliability.