Tuffleye is a new product that works better than epoxy. With the WHAT light this light clear acrylic is harder than epoxy and cures in +/- 20 seconds . It is easy to use and has no harmful residue. Kit comes with Tuffleye high intensity LED light, AC/DC power, 1 30 CC of Tuffleye Core material, 10CCof Tuffleye finish material, curved light proof applicator, tips amber light shield, ball micro brushes and instructions. All you need to start. Made in the USA