3 air chambers including an auxiliary air chamber in hull for extra buoyancyBoston valve on two main hull chambers for quick-fill & fast-deflate. All around grab lineInflatable I Beam floor for comfort and rigidity. Has 2 welded oar locks on each sideMotor Mount Fitting. Hi Output Manual Hand Pump. 54 inch deluxe aluminum oars. Item is 144.09 long x 66.14 wide in inchesBoston valve on two main hull chambers for quick fill & fast deflate.Do not inflate in 30 minutes after patchingRugged vinyl construction3 air chambers including an auxiliary air chamber in hull for extra buoyancy