... % silicone,non-toxic 3.green material silicone necklace with rings1. Material:100% high-grade silicone.2. ... Durable under extreme condition(-40~+260 °C)3. With good flexibility and toughness, can be twist freely ... , not easy to get dirty, fashionable and aesthetic with good elasticity and texture6. Non-stick finish, excellent ... DHL, TNT,EMS) as customer’s request. hot sale silicone necklace with rings