Polyester Ballast Fabric,each 30x30士3cm & mass 405g,25pcs/pack, approx. 1kg;

SDC #4105,IS06330-2012 (Type III) &IS06330-2001 Knitted 100% Polyester Ballast Fabric,each 20x202cm & mass505g, 20pcs/pack.approx. 1kg.