The Topeak MidLoader 6L carries your heaviest bikepacking essentials by using the unused space inside your frame. Built from lightweight, highly water-resistant polyethylene/nylon materials, it installs quickly with hook-and-loop straps and features two water-resistant zippers for easy access from either side.Large storage: 6L capacity for tools, food, and bikepacking gear.Water-resistant: Polyethylene/nylon construction shields contents from rain and mud.Dual access: Two water-resistant zippered openings allow side-to-side entry.Secure fit: Fits top tubes 45-66 mm and down tubes 38-70 mm.Quick mount: Hook-and-loop straps allow fast installation and removal.Manufacturer Sku: TBP-ML6BTodson Sku: 63005009