The Thompson/Center No. 13 Bore Cleaner Patches are designed to effectively remove fouling and residue from your muzzleloader bore. Constructed from 100% cotton knapped material, these patches are pre-lubricated with No. 13 bore cleaner for efficient and convenient use. Their versatile sizing allows them to fit a wide range of calibers and gauges by adjusting placement on the jag, centering them, or doubling the thickness as needed. Packaged in a resealable plastic jar, these patches are easy to store and keep ready for use. Product Details Fits: Almost all calibers and gauges Quantity: 100 patches per jar Material: 100% cotton knapped Solvent: Pre-lubricated with No. 13 bore cleaner Product Features Effectively removes fouling and unwanted residue Pre-lubricated for convenient, ready-to-use cleaning Versatile fit for multiple calibers and gauges Adjustable positioning on jag for optimal performance Resealable container for easy storage and transport