General description These 2 pieces of 38 x 38 cm heavy-duty punch bags are designed for martial arts training, kickboxing, and various other combat sports. They are empty sandbags that require filling, allowing users to customize the weight and density according to their training needs. The wall-mounted design offers a practical alternative to traditional sandbags, making them easier to carry and set up. Technical specifications Size: 38 x 38 cm Weight: 160 g per piece Material: Canvas Color: Creamy White Measurement error: +/- 1-3 cm Usage These punch bags can be filled with various materials such as sand, gravel, beans, or scrap metal to enhance training. They are ideal for practicing punches and kicks, allowing users to experience different resistance and feedback based on the filling used. The bags can be used upright or hung on a wall for versatile training options.