1.100% hign quality silicone 2. durable non-toxic and eco-friendly 3. factory price and fashion design 4. factory price Top flexible Silicone Rubber bands 1. Material:100% high quality silicone.2. Features:high and low pressure resistance,oil resistance, nontoxic, eco-friendly, safety and healthy.3. Temperature range: -40C to 230C.4. Colors :any pantone color is acceptable.5. Size: can be ...