Come and see our amazing products. These weighted bags include empty fillers. No more sweeping sand off the floor. Our workout sandbags have premium fasteners and double fold features that keep your bag secure and your workout sand free. You can adjust the weight by simply adding or removing the filler bags inside the main sandbag.You can lift, toss, and slam our sand bag without worrying of any rips or shred, thanks to its sturdy construction. Both the outer shell and its filler bags are made of our ultra high quality nylon cordura. Pls confirm with us about the packing info, stock color and exact production time before placing your order.