Note: This 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 is easier to carry than sandbags, can be hung or on the stool;Secondly, the wall 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. Jeet Do have a lot of wall content, Bruce during his lifetime also the wall as his main exercise tool.Bruce also often put 2-3 sandbags use (known as: two cut, three cut), or multiple sandbags hanging , respectively, filled with sand, gravel, beans, steel 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 .Stick sandbags is the best equipment to exercise fist, the use of wall stickers can exercise a of , as as '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 immediately stop playing kicking sandbags is a more advanced skill exercise can sandbags in the exercise footwork especially '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 landingColour:Creamy whiteMaterial:canvasSize:40 x 40cmWeight: 160 gPackage Contents:1 x Empty sandbagOnly 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.