Designed for efficient printer maintenance, each white absorbent ink cotton pad measures 8.5*5cm (approx. 3.3" x 1.9"), offering a precise fit for standard waste ink tanks. Crafted from high-density cotton, these ink absorbent pads deliver exceptional absorbency, quickly capturing excess sublimation ink and DTF ink to keep your machine clean and dry during DTF printing or sublimation transfer processes. Made from premium quick-dry fiber material, these waste ink sponges effectively lock in moisture and prevent ink overflow and leakage. By using this replacement ink cotton, you protect your printer's internal components from potential damage and ensure stable performance—even during large-volume printing tasks. Installation is quick and tool-free, making these cleaning wicks an essential part of regular printer maintenance. Simply open the maintenance tank cover and replace the old ink absorption pad. Regularly changing the waste ink sponge helps extend the lifespan of your printer and maintain consistent print quality. Please verify compatibility before purchasing: this ink cotton pad is designed as a replacement part for various printer models and is commonly compatible with the R1390 DTF printer. Be sure to confirm that it matches your specific printer model for correct fit. Each pack includes 10 high-absorbency cotton pads. If you have any questions after installation or need assistance with printer maintenance, our professional technical support team is here to help. Your satisfaction is our priority.