OYSHO Mini tumbler bottle with handle

Mini stainless steel tumbler that keeps drinks cold. Featuring a grip handle and logo detail at the bottom. Insulated silicone lid. Capacity: 400ml/14oz Tumbler dimensions: height 17.7cm and diameter 6.97cm. This bottle is certified to keep drinks cold for up to 18 hours when filled with water at 5°C, and up to 30 hours with water and ice cubes. In tests conducted at 20±2°C, the bottle was filled to maximum capacity, sealed, and left to rest for a specific period. A drink is considered cold while temperature remains below 15°C.