Bushwhacker Cimmaron Black - Bicycle Pannier Cycling Rack Bag Bike Rear Pack Two large-capacity main compartments. The fabric that connects the two panniers is 5" wide (designed to fit 5" wide racks). Adjustable compression straps secure one gusseted pocket on each side. Constructed with durable 600 denier polyester. Reflective trim increases visibility. Compatible with the Bushwhacker Mesa trunk bag. Dimensions: Main compartment 10.5" L x 5" W x 15" H Exterior pocket 8" L x 3" W x 7" H. Color: Black.