This kleen-bore gun cleaning patches helps keep the bore of your firearm clean and protected.These patches are precision cut to ensure the proper fit and maximum cleaning performance when used with kleenbore jags.The cotton flannel patches provide maximum absorbency and bore protection.It is compatible with big bore shotguns 37/40mm grenade/tear gas launchers.Size: 4"Quantity: 25 Per PackMaterial: Cotton FlannelSuitable For: Shotguns