DescriptionThis is a set of 50 pieces Silicon Rubber Sealing Rings. silicone material, durable, strong sealing performance. Joint interface to prevent leakage and seal treatment. Oil resistance, abrasion resistance and water proof.Features- Color: As shown. - Material: Silicone. - Size: 2x2x0.5cm. - silicone material, durable, strong sealing performance. - Joint interface to prevent leakage and seal treatment. - Made of silicone material, round shape, easy to install. - Oil resistance, abrasion resistance and water proof.