Includes 260 PSI air compressor w/ 3 adapters for all your inflating needs, tire gauge w/ dual scale measurements (PSI & kPa), kneeling pad, 4 moist towelettes, 4-pack tire valve caps; all packed into the Medium Barrel Bag (reinforced handles, bottom Velcro strip adheres to vehicle carpet; water-resistant and puncture-resistant 600D polyester construction). Complies with Prop 65. 11" L x 6" Diameter