• The Shad SH-49 by Shad is a top case (trunk) that can hold 2 helmets. • Mounts using a universal standard bottom (mounting base) that allows it to attach to most luggage racks securely. • Features a press lock system with keyed access. • So you can lock it up as needed. • Made out of a hard case plastic so its durable, has a long life span and of course maintains its shape. • It comes with keys for the lock.