◼︎ Product Travel Pack 4 35L Ultra 35L New model released in March 2026 Brand: Aer Series: Travel Collection Product Specifications: Ultra AER-28071 Size Height: 54.5cm Width: 34cm Depth: 23cm Weight: 1,620g Capacity: 35L ◼︎ Other ・Purchased from SELECTION, a domestic authorized retailer of the Aer brand. (Currently sold out) Aer Official https://shop.aerjapan.jp/pages/stockists SELECTION https://www.bag-selection.co.jp/ This is not a copy or counterfeit product (such as those claimed to be purchased from parallel imports or outlets) that are widely found on Mercari. ◼︎ Ultra400X The material used is Ultra400X from Challenge Sailcloth, which has overwhelmingly superior abrasion resistance compared to nylon and is approximately 20% lighter. Ultra is a fabric made from UHMWPE (Ultra-high-molecular-weight polyethylene), which is water-resistant and boasts 15 times the strength of steel per gram. Due to the nature of the material, Ultra has a moderate wrinkled texture. --- Aer Backpack Packbag Men's Brand Large Capacity Commute School Travel Black Large 35L A4 B4 Business Backpack Daypack Travel Collection 2026 New Model I am also selling other bag-related products. I mainly use Able Carry, Aer, ALPAKA, mont-bell, Porter, tomtoc, WEXLEY, Peak Design, Muji, and Uniqlo. You can search for my listings by selecting the tag below. #サムBag