Outdoor 12L Dyneema Backpack Top Bag Mountaineering Accessory Bag Multi-functional Waterproof Expansion Utility Bag

The length of the two external straps can be adjusted from 18.5 to 49.5cm (note: additional purchase required)Note 1: The backpack must have hanging points to be used, otherwise it is not applicable!Note 2: The length of the stored items must be less than 40cm, and the height must be less than 25cm!Three types of webbing:1. Adjustable compression bandage for compressing volume2. Adjustable buckle handle for easy carrying3. The multi-functional hanging webbing can hang various small itemsNote: The Dyneema fabric is waterproof, but the sewing process is not waterproof, so the product is not 100% waterproofDyneema extension backpack top bag:Material: DyneemaSize: 422712cmWeight: 132gCapacity: 12LExternal hanging strap:Material: PP webbingWeight: 73gDiameter: 2.5cmLength adjustment: 18.5-49.5cm