Eco-friendly Silicone glass wrapper 1.Made of 100% food grade silicone 2.Keep ... of drink hygienic 3.Easy to handle Eco-friendly Silicone glass wrapper Material: 100% food grade siliconeColor: CustomizedLogo: Customized, can be ... protection, non-toxic, harmless to human body, non-stick, leakproof, heat- resistant, dustproof, flexible and washable, it seals your cup by just ...