Cotton patches from Pro-shot are made from 100% cotton flannel fabric for purposes of absorbing foreign matter and residue. Each 0.75" cotton patch is made with a high thread count to pick up all of the remaining residue, but not tamper with the barrel's rifling.
Specifications:

Type	Cleaning Patches
Size	.17-.22 Cal
Quantity	500 Per Pack
Bristle Type	Cotton
Length	.75"
Includes
Material	Cotton
Tip Feature
Battery
Thread Pattern
Protects	Against Rust Powder Residue, Fingerprints
Suitable For	Firearms
Eco-Friendly