Feature: 1. RUBBER MATERIAL: Made of rubber material, static prevention, oil and UV resistant, heat and wear resistance, durable, long service life 2. MEET NEEDS: Soft and elastic O ring, just fasten, easy to install. 270pcs O ring combination set to meet most plumbing, automotive and general maintenance needs 3. LONG LIFE: The rubber construction provides seals against leaks, heat, oil, gas, water, and most silicone oils and solvents. Flexible construction and thick wall properties enable long term use 4. EASY TO STORAGE: Store in a labelled and organized resealable box, saving you organizing and choosing sizes. Multiple thicknesses and sizes all in box, very convenient to use 5. APPLICATION: This O ring set is mainly suitable for professional plumbing, faucet, automotive, machinery, maintenance, air or gas connections, etc. Specification: Item Type: Green O Ring Kit Material: Rubber Application: O Ring Rubber Color: Green Quantity: 270 Uses: Suitable for professional plumbing, faucet, automotive, machinery, repair, air or gas connections. Package List: 270 x O Ring Assortment