Brand: Boundless Voyage Mterial: 99.8% titanium Specification: Ti15152B: 120ml, about 42g, (D)60*58(H)mm Ti15153B: 180ml, about 56g, (D)69*67(H)mm Ti15154B: 300ml, about 81g, (D)76*87(H)mm Ti15155B: 120ml+180ml+300ml, about 179g, (D)76*87(H)mm Place of Origin: China Features: 1. Double walled design, thermal Insulated, avoid being burned; 2. Pure titanium, lightweight, never rust, good heat transfer performance; 3. 3 in 1 design, the smaller one can put into the bigger one, more convenience to be stored, save more space. 4. Originally designed for backpacking, camping and traveling, it is also great for picnicking, emergency prepping and around the home, school and office.Suitable for camping, hiking, backpacking, travel, home, trekking, school and other outdoor activities. Originally designed for backpacking, camping and traveling, it is also great for picnicking, emergency prepping and around the home, school and office. 3 in 1 design, the smaller one can put into the bigger one, more convenience to be stored, save more space. Made of pure titanium, never rust, anti-corrosion, good heat, without metallic smell, titanium material keeps the beer or carbonated drinks ice and original flavor. Double walled design, thermal Insulated, avoid being burned;.