Note: This paragraph sandbags are hollow, need to fill their own, the proposed appropriate filling, if only the sand and other heavy things can not be filled too full, so as not to affect the use of wall targets) wall sandbags and ordinary hanging First, the wall target is easier to carry than sandbags, can be hung on the wall or on the stool; Secondly, the wall target reaction force is the whole wall, relative to the weight of the sandbag can be more practiced Out of the penetration, because the wall will not be the same as sandbags will be moved, the overall affordability greatly increased. Wing Jeet Kune Do have a lot of wall target training content, during his lifetime also the wall target as his main exercise tool. was also often put 2-3 sandbags upright use (known as: two cut, three cut), or multiple sandbags hanging on the wall, respectively, filled with sand, gravel, beans, steel scrap or Iron sand, etc., and then were hit to experience fist hit different objects in different senses, that is, playing in different positions when the human body feeling. Stick sandbags is the best equipment to exercise fist, the use of wall stickers can exercise a variety of boxing boxing, as well as Wing 's fist is the first practitioners face sandbags to maintain about 17 inches or 45 cm or so and then use the elbow Force hair punch when the body must be relaxed arm muscles can not tighten the first to play fifty fist enough, if that fist pain immediately stop playing kicking sandbags is a more advanced skill exercise can kick sandbags in the exercise footwork especially Wing 's three feet must be breath with the same foot to play a series of links to try to keep the balance of the body do not let that foot landing Colour:Creamy white Material:canvas Size:40 x 40cm Weight: 160 g Package Contents: 1 x Empty sandbag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.