Features 1、Suitable for fitness, aerobic exercise or physical therapy. Add more resistance to increase lower body strength, restore muscles, improve balance and coordination. 2、Used for physical therapy, home exercise, walking, jogging, core training, cross fitness, aerobics, gym and many other fitness operations. 3、Free sizell, with easy‑to‑adjust hook&loop straps, provide greater fit for various sizes of ankles and wrists, suitable for your ankle weight/wrist weight. 4、PU leather exterior, reinforced stitching and firm exterior thick Oxford cloth, comfortable cushion 5、Trapezoidal design, made of thick Oxford cloth, with rebound glue inside, to avoid steel plate abrasion skin. 6、After opening the upper cover, you can freely adjust the number of steel plates, and change the weight of the wrist force by 1‑4 kg. This is empty, without steel plate. 7、Trapezoid shape, side length 27 cm/10.6in, height 13 cm/5.1in, strap length 40 cm/15.7in. High‑quality PU leather on the front, thick Oxford cloth on the back, anti‑wear. 8、The strap is divided into 8 grids, and each grid can add 2 steel plates. Ful loading can hold 32 steel plates. Specification Condition: 100% brand new Item type: Wrist Weight Sandbag Material: Thick Oxford cloth+PU leather Color: black Weight: Approx. 170g 1-4 kg adjustable. Package List 2 x Wrist Weight Sandbag