22 Caliber-7mm Patches: This 180 count bag contains round patches made of 100% cotton flannel that are perfectly sized to correspond to the following TCS Cleaning Jags: 22 Caliber, 243 Caliber(6mm), 25 Caliber (6.5), 270 Caliber (6.8), and .284 caliber (7mm). These patches will provide the best fit and function in a wide variety of firearms when used with TCS jags. 30-45 Caliber Patches: This 160 count bag contains round patches made of 100% cotton flannel that are perfectly sized to correspond to the following TCS Cleaning Jags: 30 caliber, 338 caliber, 9mm (358 caliber), 40 caliber (10mm), 44 Caliber, 45 Caliber. These patches will provide the best fit and function in a wide variety Mfg: Tcs