This perfect heavy-duty Blue punching bag that is engineered to give you full contact total-body combat workout is an ideal for punching, elbows, knees, and kicks off all marital arts. Complete with straps commercial grad D rings, this is a perfect centerpiece of a gym. Key Features Strong Viny Inner foam lining for a softer feel Rag Filled Reinforced stitching at stress points Industrial strength nylon webbing 35cm Dia. Important Note: Read the Equipment use guideline before installation or use.