whether you call iT a speed bag,double end bag or a PUNCHING BAG..The unique features of this product will provide the following benefits for all consumers: • Provides a way for all consumers, including those with physical limitations, to practice speed bagging,boxing,MMA,KARATE,OR JUST SIMPLY USE IT FOR PUNCH DRUMMING.. • Unit is portable, lightweight, and virtually effortless to use as no screws or brackets are needed • Can be easily adjusted for both vertical and horizontal hitting as well as for users (including children) from four feet to seven feet tall • Those who are wheelchair-bound will have the ability to build speed, hand and eye coordination, while getting a good upper-body workout..