Secure your sliders into place with the 12mm rubber o-ring for Regaliz leather in black. These little rings slide onto Regaliz leather to keep your slider beads perfectly in place. These rings are used on either side of your bead to create a colorful stopper. Simply add an O ring where you want your slider to go, add your slider and then add another O ring. This ring features a solid shade of black that can be used with any bead.