... ring 1,100% eco-friendly silicone material . 2,food grade, odorless and non-toxic. custom mold silicone O ringsilicone O ringsilicone seal o ... ,3000pcs into a cartonMOQ10,000pcsDescription1,All of our raw silicone is imported from international famous brand of Toshiba.2. ... port in China mainland are available 1,100% eco-friendly silicone material .2,food grade, environmental ,odorless and non-toxic.3 ...