The OranguBag is a portable punching bag designed for boxers, martial arts and MMA competitors, and anyone seeking a full-contact workout. Made of PU leather with 2 EVA rubber-filled sections, this punching bag measures 39.3" x 39.3". Its size and composition are ideal for cushioning fist and foot strikes. Secure the OranguBag to a tree in your backyard, at the beach, or in the park to begin your training or aggression release. So, if you're feeling the urge to hurl your fist at a wall of bark due to your condescending boss, cheating girlfriend, or guilt-tripping mama, the OranguBag can help protect yourself and the tree.