With the Ortlieb Back-Roller Pro Classic Panniers, you can now finally venture out on that European bike vacation that you've been thinking about for months. XL rear panniers for extended touring with lots of equipment Wear-resistant and waterproof tarpaulin material made of PVC coated polyester QL2.1 system for rack diameters up to 16 mm Integrated inner pocket Large reflectors for enhanced safety Outer front pocket with reflective thread Height: 17.7 in./45 cm Width: 24 in./36 cm/ 9.4 in./14.1 cm Depth: 10.2 in./26 cm Volume: 4759 in.+ 488/70 L Weight: 5 lbs./3.5 oz./2368 g