This leather will withstand cuts, punctures and years of abuse, yet remain soft and rich to the touch. Each bag is carefully stitched to keep from leaking. Each bag is made from top grain bison leather, with a distinctive grain that varies throughout the skin, making each bag unique and gaining beauty with age. Benchmaster all leather bench bags have an easy to Use spout which allows you to add your desired fill with ease. The bottom is made of a water resistant and anti-skid material to ensure stability.