Thank you for viewing. I purchased this from a shopping site in July of this year, but since I think I can manage with a spot cooler, I will sell this unopened to someone who needs it. ▼SPMLFL Cold Water Clothing ▼1 piece / 5,800 yen ▼Size Unisex Waist: Approximately 95-115cm Shoulder width: Approximately 50-67cm Back length: Approximately 68cm ※There are 2 pieces. Discounts available for multiple purchases ◎ [The strongest cooling sensation! Experience -20℃ cooling in 10 seconds｜Cooling your whole body] 268cm² wide-area cooling × over 7m long water cooling pipe × 6.2mm thick tube! The SPMLFL cooling vest provides maximum cooling in just 10 seconds after wearing it! It cools the back and chest simultaneously, making it comfortable even in the scorching heat. With a cooling area about 10 times that of a typical cooling vest, it is ideal for outdoor work, commuting, and leisure in the summer. [Up to 36 hours of operation! 10,000mAh ultra-long-life battery] Equipped with a high-performance battery as standard! It supports 3 cooling modes (continuous / 20 seconds on - 60 seconds off / 20 seconds on - 80 seconds off) and allows for long-term operation of up to 36 hours or more. It is also highly versatile with both USB Type-C and USB-A compatibility. With a 3-4 hour charge, you can stay cool and comfortable all day long. [Doesn't let cold air escape! Three-layer insulation & cooling lock structure] The triple structure of cooling tube + insulation layer + cold air lock layer increases cooling durability by 2.3 times! It firmly traps cold air and keeps it for a long time. Furthermore, the breathable mesh fabric prevents stuffiness and reduces concerns about odors and stuffiness. Lightweight & comfortable to wear, perfect for long hours of work. [Made in Japan motor × US IC｜Quiet & highly durable design] A high-performance motor of 2200PRM circulates 820ml of water per minute at high speed! The quiet design with an operating noise of 30dB or less makes it safe to use in offices and public places. Furthermore, it is equipped with a US-made IC chip, which significantly improves control accuracy and stability. The motor durability time is an astonishing 10,928 hours. You can use it with confidence even in demanding environments.