Tumbler for 500-650ml PET bottles, hot & cold compatible, easy to attach. A PET bottle holder that keeps PET bottles cold for a long time. With a strap, it's easy to carry around. Even carbonated drinks that cannot be transferred to a bottle can stay cold with this holder, keeping the carbonation from escaping and preserving the flavor. The vacuum-insulated double-wall construction prevents condensation, even when placed in a bag. A black stainless steel bottle holder with a convenient strap. Stored unused. You can put a PET bottle in it, and with the strap, you can use it in various ways, such as attaching it to a stroller, backpack, car, or with a carabiner. - Brand: LAKOLE - Type: Bottle Holder - Material: Stainless Steel - Color: Black - Features: With Handle - Brand: LAKOLE - Capacity: 500-650ml Color: Cream (official name for the product unknown) Shipping will be via Letter Pack or Sagawa Express. (Letter Pack is selected because I can't choose only one shipping method) New and unused.