Thank you for viewing. For sale: [Used] TRIWONDER Hydration Pack 1.5L Purchased in August 2024 and used until the end of the year. Selling because I'm switching to a different brand. - Brand: TRIWONDER - Capacity: 1.5L - Accessories: Hose and valve - Design: Blue系 (Blue-toned) This is a used item, having been used more than 20 times. I haven't used it recently. Please refrain from purchasing if you are sensitive to the condition of used items. Shipping will be via Nekopos (a Japanese delivery service).