Burn calories, improve your coordination and endurance, and enhance your cardiovascular fitness with the Everlast Everflex cardio strike bag kit. It has everything you need for a full body workout: a pair of Neoprene heavy bag gloves, a foot pump and an inflatable punching bag. It also includes a 20-minute calorie-burning workout DVD and a guide to help you get started. This freestanding punching bag uses Everflex technology that absorbs punch impact and keeps its stability. Fill its base with 65 lbs. of water or 95 lbs. of sand. This boxing punching bag is easy to assemble and can be adjusted to an approximate height of 5" 3". Made of rubber and PVC, these things are made for rugged use. Assembly is required.