1 Eco-friendly,non-toxic 2 Durable, good elasticity, oil-resistant, effective 3 High quality Item description: 1) Mainly made of silicone, natural rubber,or NBR, etc. (as your requirement)2) Eco-friendly,non-toxic,durable and easy to clean.3) Excellent flexibility and wearability,high strengh, flame resistant.4) High/low temperature resistance,oil and fuel resistance,weathering resistance,ozone ...