Bushwhacker Diablo Red - Bicycle Top Tube Bag Cycling Frame Pack Bike Stem Bag Front Rear Accessories Attaches to your frame with a 4-point mounting system. Four velcro straps attach to top tube and handlebar stem. Dual pull zipper allows for quick and easy one handed access. Quarter inch foam padding protects sensitive items and maintains its shape. Constructed with durable 600 denier polyester. Exterior Dimensions: 6" L x 2.5" W x 4.5" H