Wrapped in fine leather Tailored, "PET bottle keeper" is. [SPEC] Size ◎ · It corresponds to most shape of 500ml PET bottle. (Except for some special increment types) Insulation function ◎ - In addition to the warmth retaining nature of the original nature of the leather, keeping the coldness by the double structure with the cold insulation sheet built in. <Case of cold 2 ° beverage> ☆ In case of leaving for 1 hour ☆ · PET bottle keeper installation → 8 ° · Naked bottle → 15 ° ☆ Leave for 2 hours ☆ · PET bottle keeper installation → 12 ° · Naked bottle → 20 ° ※ Measured in 27 ° indoor. Water droplet protection ◎ · When put in a bag, do not wet important documents with waterdrop protection of dew condensation. Good to carry ◎ · 2 way belt included (removable) In everyday life, Attached to bags and belts, Or you can carry with carrying it as it is. Durable & taste ◎ · Because we are using carefully selected real leather, Durable and durable, as it gets used for a long time, the taste increases and attachment increases. ☆ ☆ ☆ In addition, Not just plastic bottles. It corresponds also to cans of cans and can juices! ☆ There is no doubt that it will be an essential item when going out ☆ Material: cowhide, aluminum cold-proof sheet, stainless steel fittings <Notes> It boasts a high cold storage function, but under the concept of keeping the time to room temperature compared to the one in the naked state, if a certain amount of time (more than 3 hours) passes, we attach this product Even though it is done, it will be at the same room temperature as the naked one.