Features: 1. Made of 1680D high-density oxford cloth, it is wear-resistant, and it also has quick drying and easy handling. 2. It only needs to be rinsed with water to make it look new. 3. Shoulder pads on the shoulders to relieve shoulder pressure. 4. Exercise, the best equipment for running training. Model: 1-20KG: A total of 16 grids, can be loaded with sand, iron sand, steel plate, the maximum load of 20kg. 1-50KG: two pieces in front and back, each piece of 6 grids, a total of 12 grids, the maximum load of 50kg. The shoulders are padded shoulders to reduce the stress on the shoulders and make them more comfortable. Can be loaded with sand, iron sand, steel plate. The vest is sold and does not contain steel plates. Specifications: Body material: 1680D Oxford cloth Color: black Model: 1-20kg/1-50kg/3kg/15kg/35kg Folding size: 560x420x15mm/22.04*16.53*0.59'' Net weight: 660g/760g Uses: exercise, running training Suitable height: 160-190cm Suitable weight: less than 100kg Notes: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included ：1 X Loading Weight Vest (without Steel Plate)