The Alu-Cab Canopy Camper Sleep Decks are designed to fit into notches in the top plates of the Goose Gear Alu-Cab Canopy Camper interior systems to create a platform. The 6' Extension Utility Module to Utility Module Sleep Deck Panel is 38" x 12-3/4" and fits between the Front Utility Modules for a 6' Bed Alu-Cab. This Sleep Deck Panel is compatible for the 6ft Bed Mid-Size Alu-Cab Canopy Camper. Alu-Cab Sleep Deck Panel Layout varies depending on the size of your truck bed. See below for all a