An excellent eco friendly gift for anyone, ever yourself. Can be used for both hot and cold drinks, smoothie, coffee, water...almost any liquid! Enjoy every sip! Unlike metal / stainless steel straws, glass straws can be used for hot drinks and don't leave an aftertaste. Durable Non-toxic Lead Free Made with premium glass (pyrex) Environmentally Friendly Can be Used in Hot or Cold Drinks Safe for Kids Shatter Proof Dishwasher Safe.