This is a soft flask that is useful for active scenes such as running, mountain climbing, and hiking. [Product Features] * Lightweight design: Weighing approximately 35g, it is very light and does not add to the burden of carrying. * Compact storage: After drinking, it can be folded up small for storage, so it doesn't take up much space. * Durable material: Made of TPU, it can be used repeatedly. * Optimal capacity: 500ml is a convenient size for a little hydration. * Recommended temperature: Suitable for liquids between 0℃ and 40℃. [Product Details] * Capacity: 500ml * Weight: Approx. 35g * Material: TPU * Color: Blue * Heat resistance: 0℃-40℃ recommended [Condition] New, unused item. [Shipping] Will be delivered anonymously via YuYu Mercari便 (YuYu Packet Post). Immediate purchase without comments is welcome.