Park Tool BX-3 blue backpack.

The Park Tool BX-3 backpack is built to withstand the punishment of travel and constant use, molded from impact-resistant polypropylene. The BX-3 features trays with 70% more surface area than the BX-2.2. Easily transportable thanks to the integrated wheels and extendable handle, this suitcase has been designed with the help of some of the world's best mechanics to offer optimal form, function, and longevity.Features:Smooth-rolling integrated wheelsExtendable handleDust and water resistantAir pressure compensation valveCustom-designed tool trays with loops and pocketsGas-assisted lid struts for easy openingFoldable dual-sided tray wings on the top and middle levelsFront tool tray securely stored inside during transportNominal dimensions 59.5 cm x 44 cm x 23.5 cm (23.4" x 17.3" x 9.3"), 9.8 kg (21.6 lb)