CorMax Grenades are a super tough bag, filled with air and water. Take them anywhere, they are compact and light with each Grenade weighing less than 1kg. Just find water, fill, pump and you are training. CorMax Grenades are perfect for cardio and high intensity interval training. Includes: Set of 2 Grenades Size: 16cm x 28cm Holds: 6kg water (each) CorMax Grenades are a super tough bag, filled with air and water. Take them anywhere, they are compact and light with each Grenade weighing less than 1kg. Just find water, fill, pump and you’re training. Grenades are perfect for cardio and high intensity interval training. With CorMax Grenades you mimic all kettle bell and dumb bell exercises and much more.Offering 100’s of exercises, where most other devices are very limited. Cost effective Grenades allows you a range of weights from 1kg to 6kg. Anyone can use CorMax Grenades ideally used to attack the core and for high intensity weight loss and toning.Use in conjunction with Commander and