● MATERIAL: Eco-friendly+Sand. ● WEIGHT: 2~10kg: 1kg up; 12kg/15kg/18kg/20kg; 20~100kg:5kg up; 4~12lb: 2lb up; 15~80lb:5lb up; 100lb/120lb/150lb/200lb. ● SIZE: 2~10kg/4~20lb:dia23cm; 12~30kg/25~65lb: dia28cm; 35~50kg/70~100lb: dia33cm; 55~70kg/120~150lb: dia36cm; 75~100kg/200lb: dia38cm.