The LOGOS HYPER COOLER M offers approximately 13 hours of cooling performance. It can hold two 350ml PET bottles and ice packs. - Brand: LOGOS - Model Name: HYPER COOLER M - Features: Approximately 13 hours of cooling - Size: Capacity for two 350ml PET bottles and ice packs - Usage Time: Maximum 12 hours of cooling performance New and unopened. Approximately 12 liters. The retail price is around 12,000 yen. Shipping is included, so please refrain from price negotiations. The shipping method may change. Thank you for viewing.