Brand-Besot Material-Stainless Steel Bottle type-Insulated Colour-rose quartz Designed for outdoor sports and travel, the stainless steel water bottle is made of high quality stainless steel, durable and rustproof. Double layer vacuum insulation can effectively keep the temperature of cold drinks. The built in straw is convenient for drinking during exercise and the leak-proof design allows you not to worry about spills. LEAKPROOF DESIGN The insulated water bottle features innovative leak proof sealing technology that won't leak even when turned over or put in a bag. Safe material: the water bottle is made of BPA-free material, free from harmful chemicals, so your drinking water is healthy and worry-free. LEAK PROOF STRAW The built in straw is specially designed to work with the leak proof valve structure, so it won't leak even if shaken violently during exercise, ensuring you don't have to worry about accidental leaks while enjoying your workout. MULTI-PURPOSE Whether you are traveling, exercising or just using it every day, the powerful leak-proof features of this water bottle allow it to meet the challenges of different environments and protect your luggage and belongings around you. EASY TO CARRY The leak-proof feature allows you to carry your water bottle in your backpack or car without worrying about it leaking and messing up your belongings whether you are hiking or commuting。