Practicing Jiu Jitsu is great for your body and mind. You certainly should practice the techniques you have learned often to keep your skills sharp. This Ring to Cage MMA Grappling Dummy can help. It is designed for wrestling and grappling. The dummy is made of heavy duty 22oz Polyester coated vinyl. It is about the height equivalent of a 6-feet man and weighs up to 60 pounds.