sandbags;neoprene sandbags ;neoprene goods ; sports goods;weight goods Material: Neoprene 2MM-4.5MM, (OPTIONAL)Colour : optionalSize:SS#,S#,M#,L#,XL#(optional)Parking: each a polybag.(optional)Carton:carton of out parking. (OPTIONAL)LOGO:welcome OEM Weight sandbagDifferent weight available,application on joging,running,gym exercise