Material: special alloy defense armor plate. Thickness: 2.5mm, 4.5mm, (this is the thickness of the inner steel plate) Size: 25CM * 30CM Weight: 2.5mm weighs about 1.5kg, 4.5mm weighs about 2.5kg Structure: Internal armor plate, intermediate wrapping cushion material, the outermost layer is covered with a waterproof cloth. Packing list: 1*plates(pack of 1, If you need 2, please buy 2)
