1. material, rubber . 2. weight, 6kg. 3. color, red and white. 4.packing, each in a polybag, or in a box. 1. material, rubber .2. weight, 6kg.3. color, red and white.4.packing, each in a polybag, or in a box. 4pcs/ctn.5.measurement, 49*49*26cm. rubber medicine ball , red and black, 6kg