100% cotton
  
best quality cleaning cloths
  
cloths with very good absorbency and cleaning ability
  
1" =.20 and .22cal RF
  
1 1/8" = .22cal CF, .223cal, 5.56mm
  
1 3/4" = .284cal, 7mm, .308cal, .357cal, .38cal, 9mm, 7.62mm
  
2" = .308cal, 7.62mm, .338cal, .40-45cal