The offer item is an additional empty weight insert for the XBAG device. The fabric cover is made from durable polyester material, providing resistance to tears and wear. It does not absorb moisture, making the cleaning process easier. The insert can be filled with any bulk filling, adjusting the weight according to individual training needs. The size of the insert has been selected to ensure accurate filling of the XBAG device. Its height is 1/3 of the device – the XBAG can accommodate a maximum of 3 filled bags.