A 500ml vacuum bottle made of stainless steel with a wide-mouth design and excellent heat retention. Popular colors It exhibits high cold retention due to the vacuum insulation effect. The Type M series is named "Type M" because of its shape, which resembles a milk bottle. Utilizing the know-how cultivated in the development of camping gear, we have created a bottle that is also useful in urban life. The stainless steel double-wall construction, with a vacuum inside, blocks the influence of the outside air and exhibits excellent heat and cold retention. The Type M series is available in 350ml and a generous 500ml size. Manufacturer's Part Number TW-501CL Size 200mm × Φ74mm Weight Bottle body 210g, Cap 37g Specifications Heat Retention: 74 degrees Celsius or higher (6 hours), Cold Retention: 8 degrees Celsius or lower (6 hours) Materials Bottle body: Stainless steel (acrylic resin coating on the outside), Cap: Polypropylene, Packing: Silicone rubber Thank you for viewing.