Strongly Recommendation!!!!! We found it good for Biu Jee training. and not expensive to order and better than similar speed ball but lower cost.

The base of this patented product is to provide stabilizing force by sucking the smooth floor with a sucker. The aluminum-alloy three-claw base that is not less than 1 kg, once sucking the smooth tilt or marble floor, can generate a 120-kg force. If not used, the whole boxing speed ball can be easily lifted just by pulling up the vacuum pressing rod and releasing the rubber sucking mat, without causing any damage against the floor. The product, made of light, solid and endurable materials, has features including light weight (net weight 3.5kg) and easy use, which is well suited to modern household and for wide range of martial art fans to exercise boxing skills and finger thrust force as well as entertainment, body-building, sports, weight losing and pressure reducing. 

We can use it for Wing Chun kungfu practise or other martial arts training!!

Very good for you to adjust height and fix or pack. It is good after we test it!