swissdigital balerna xl backpack 44l bag sdd finder water resistant eco friendly hybrid system ski travel storageBALERNA Black XL Ultimate Storage System with built in SSD Finder is a stylish, large black backpack. When carrying items it can be a backpack or a shoulder bag. With a total storage volume of 44l, the bag is ideal for skiers and travelers. The bag includes an integrated SDD Finder that works with the Apple Find My network. If you ever lose sight of your backpack, you can easily and anytime locate it with the Apple Find My App.