Giving you secure, fast-access, track-mounted storage for gear and tackle on your kayak, the YakAttack TracPak Storage Box Combo Kit offers all you need for convenient storage. A handy, easy-access solution for both recreational and kayak anglers, the TracPak Storage Box system offers storage that does not use up all your track space. A great starter set, this combo gives kayakers 2 stackable TracPak storage boxes, a Quick Release Base, and 4 white labels. Versatile and convenient, the 2 TracPak boxes securely snap onto the base and on top of each other for double the storage without requiring additional track space. These highly functional designs also allow access to both boxes, even when stacked on top of each other. The combo's quick-release track base works with most factory-installed kayak tracks, including all YakAttack MightyMounts and GearTrac systems. This base also features an array of slots, allowing for micro-adjustments in each direction of the t-bolt when attached to a track. Designed to fit on the latch of each box, the 4 adhesive labels let you identify the contents inside each box quickly. Made of durable marine grade polymers for long-lasting use. Each box also features an eyelet for a safety leash (not included). Individual box dimensions: 3.625"H x 9.5"W x 6.5"D. Kit weight: 2.44 lbs.NOTE: Kit includes hardware for surface mounting. Versatile, track-mounted storage box system for kayaks Stackable design - double the storage with no additional track space used Kit includes 2 stackable TracPak storage boxes, a Quick Release Base, and 4 white labels TracPak box - securely snap onto the base and on top of each other, allow access even when stacked Quick-release track base - works with most factory-installed kayak tracks, micro-adjustable 4 adhesive latch labels - ID contents inside each box Durable marine grade polymer construction for long-lasting use Includes hardware for surface mount as well