Features: Material description: high-density thick cotton cloth, washable-and easy to use, low shrinkage, not easy to pilling, not easy to get static-electricity, hygroscopic, soft and skin-friendly. Washing instructions: it is not suitable to soak for too long, and it is not suitable to soak in hot-water. If you are contaminated with oil, you can gently rub it with detergent. Wash gently, and it is not easy to rub and wring hard. Hang-in a ventilated place to dry, so as to avoid long-term exposure to sunlight. Specifications: Material: Cotton Yarn Type:1/2/3/4 Size:Approx.9.5cm/3.74" Package Includes: 1 Piece Pot Cap note: Please allow 1-2cm errors due to manual measurement,Please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.