1) 100% food-grade silicone 2) non-toxic 3) green, eco-friendly 4) ... direct sales 1. Made of high quality food grade silicone material, other rubber material also available, such as NR ... you to choose from, such as silicone lid, cup holder, silicone rubber hose, silicone rubber band, silicone cake mould, rubber parts etc.7 ... .For more information, welcome to contact us. HOT Selling Silicone Products