Foam lining to the base of the bag for extra shock absorption. Requires 4 Leg Chain Set. (We would recommend the Heavy Weight 4 leg chains). Diameter (at widest point): 22. The item "PRO BOX BLACK COLLECTION' BLACK-WHITE LEATHER MAIZE BAG KICK BOXING SPARRING" is in sale since Tuesday, May 02, 2017.This item is in the category "Sporting Goods\Boxing\Punch Bags & Pads". The seller is "combatsports-superstore" and is located in Huddersfield. This item can be shipped to United Kingdom.