This inflatable bop bag stands 36″ tall and utilizes a sand-weighted base. The bladders are comprised of extremely heavy industrial grade plastic, and made with extra large seams.​This product is a professional grade bop bag, thus has increased durability as compared to it's more inexpensive competitors. Detailed assembly instructions are included with each order. Our bags are meant for indoor use only, and they each come with a 1 year appropriate play warranty. (Warranty does not cover stains to the fabric, or tears/punctures due to sharp objects like scissors). *Sand is NOT included in purchase