Included with and specifically measured out for the 24mm Wotofo Profile RDA is the Wotofo Profile RDA Xfiber Cotton. This 100% All Natural Organic Cotton is tasteless, unbleached, and completely free of pesticides as well as other harmful substances. Ten pieces are included in a pack with each individual piece measuring 60mm long and 6mm wide. One end of each Cotton wick has a plastic aglet that acts as a sheath and can be pulled off once your Cotton is in place. Simply slide the tapered end through your coil then remove the aglet as if it were the sheath of a sword. Once your Cotton is properly in place, fluff out the ends and tuck them into your build deck. The Wotofo Profile RDA Xfiber Cotton is the perfect solution for fast and convenient building with your favorite build deck. This tried and true wicking material proves to be the most efficient method of e-liquid absorption while preventing dry hits. Made with long fibers that wick well and aren’t easily torn apart, the Wotofo Profile RDA Xfiber Cotton will give you the ultimate vape with your Wotofo Profile RDA.