Description: Dual-side opening for easier loading/unloading from either side of the vehicle. Quick-Grip mounting system for fast, easy, tool-free installation and removal. SecureLock ensures that all gear is locked, and box is properly closed prior to driving. Maximum-capacity box has room for plenty of extra stuff. Adventure more with this rack mounted cargo box from Thule. This roof box has room for plenty of extra stuff and features dual side opening for easier loading and unloading.