BlackBeltShop is discount martial arts supplies since 1999. Purchase its extensive martial arts uniforms, discount karate supplies, karate boxing gear, stretchers and taekwondo WTF and WKF equipment and uniforms. Century XXL Wave Overlord Boxing Sandbags have the largest kick and punch surface on the market, and the Century® XXL Wave Overlord® gives you no reason to keep anything. Capable of withstanding high-intensity martial arts and taekwondo training, this bag's high-density foam construction is durable. Low-key... the producer bought a set from a competitor so he can take a look. This is not the brand he has heard of. He doesn't mention this name because he doesn't want to get into trouble. It looks good, but the foam feels soft like a sponge. Remember, you are paying for a penny in most places, but the brands in BlackBeltShop have a long history of providing quality products.