This borosilicate glass travel cup from Black Blum is durable and lightweight. Leak-proof and taste neutral to keep drinks the way they were intended to tase. 

• 100% leak proof
• Lockable
• One handed opening and closing
• Non-slip, easy grip, protective silicone sleeve
• Hand blown durable and lightweight borosilicate glass
• Fits in bike bottle cages and car cup holders
• All parts are dishwasher safe and lid disassembles easily for thorough cleaning
• BPA free