The lonsdale l core super heavy punch bag comprises of a premium quality hide leather outer shell and blended inner fill guaranteeing a superior shape and feel this 5ft 1525cm bag is designed for the bigger hitter and constructed to withstand serious punching it is laced at top and equipped with a d ring on bottom that helps provide extra stability if needed this super heavy bag weighs 45kg 100lbs and features the unique l core technology that delivers a more responsive feel and ensures