Metal Straw Silicone Tips/Covers,Made of gas phase glue ,The FDA certification .rubber tips,ECO-Friendly and BPA FREE,Odorless.Only fit for 6mm metal straws,Please check before buy it., | Lip touched no Hard ,no Cold and Hot,silicone cover contact comfortable ,softable ,bite it without worries | Avoid metallic taste and more safer,some people like stainless steel straws but don’t like the metallic taste,so silicone tip cover make our mouth is not in direct contact with the straws,keep away from the taste,and don’t worry about chipping your lips,teeth, it’s more safer,especially for children,driver. | Color:Black, Blue,Green,Yellow,Red,Purple,each color 2pcs,total 12pcs,package included: 12pcs silicone straws tips,Notice:Straws Are Not Include. | silicone tips Outdiameter:8mm,indiameter:6mm,fit for outdiameter 6mm metal straws