We can offer you a wide range of rubber O-Rings in all standard sizes and a lot of special sizes,and our O-Rings are made according to international standard: ISO9001. Characteristics of the Product 1. Easy installation 2.High abrasion resistanceand aging resistance 3. Insensibility against shock loads and pressure peaks 4. High and low temperature resistance, oil resistance , great flexibility etc 5. Stable Performance and Long life Packaging and Delivery Packaging Details: plastic bag with paper box outside Delivery Detail: Shipped in 3 days after payment