The Cargo Hold 52 Panniers are like an extra-roomy trunk for the GSD. With a volume of more than 100 liters per pair, they\'re spacious enough for weekly shopping runs, camping adventures, or hauling all your kids\' bags, instruments, and sporting equipment (while your kids are on board, of course). Use in Roll-Top Mode for weather protection, or quickly switch to Bucket Mode for stashing oversized cargo. Two Fidlock® buckles make opening and closing a snap. Key Features: Holds up to 104 L per pair (52 L per pannier) for hauling heaps of whatever, Two Fidlock buckles for hassle-free access to your stuff, Weather-resistant roll-top design packs flat for a neat and tidy look, even when loaded ,Easily converts to Bucket Mode for carrying oversized cargo—stiff design preserves the basket/bucket shape, Compatible with (up to 2) child seats*, Made with tough, durable, Bluesign® nylon fabric, Reflective decals for extra visibility at night,.*Must be used in Bucket Mode when used with a child seat, and may require a Pannier Adapter. For two child seats, Bucket Mode and two Pannier Adapters are required (The GSD supports two Thule Yepp Maxi child seats).