Easy to install on the tube with adjustable velcro tabs - Size: 10.5cmW x 90cmH x 17.5cmD - Capacity: 1.2 litre. - Zipped compartment to carry most accessories (repair kits, CO2 cartridges, energy gels, etc). - Material: 600D polyester - Touchscreen compatible •Reflective 3M™ Scotchlite™ safety side strips - Waterproof material