Stunning 450ml tumbler that is manufactured from lightweight borosilicate glass, which is exceptionally strong and shatter-resistant. It has a secure push on natural bamboo lid with a stainless steel straw and a silicone seal. Alchemy has a non-slip protective silicone sleeve that prevents condensation and keeps drinks cool for longer. Features: * 450ml tumbler made from lightweight shatter-resistant borosilicate glass * Push on natural bamboo lid with a stainless steel straw and silicone seal * Non-slip protective silicone sleeve prevents condensation and keeps drinks cool for longer * Presentation: Natural gift box