STRONG&LONG LASTING PERFORMANCE: Unlike other cheap gel glue, this gel glue is v excellent while applying your rhinestones on the nails, you would definitely not regret after using it (LED LIGHT NEEDED). 15 ML CONTENT: We do not sell those 5mL/10mL content products which is obviously not a good value for money deal. 3Pcs of GEL BRUSH TOOLS SET INCLUDED: We bet you dont want to buy a jar of gel glue then go elsewhere to buy the tools, in order to save your time, we offer 3 pcs of gel tools. VERSATILITY: OK For artificial nails or natural nails + OK For Flatback or Non-flatback rhinestone + ... ALL IN ALL, BUY IT. HOW TO APPLY: 1.Apply the glue on the nail 2.Put the rhinestones on the glue layer, cure it for 3 minutes( 48W LED Lamp is best) 3. For large or unflat rhinestones, use extra glue into the gaps between the nail and the back of the stones in order to ensure its long lasting.(Please Cap The Rhinestone Edge with this Rhinestone gel,It Will Help To Hold The Stones For Long) 4.Apply a thin layer of no wipe top coat or no wipe rhinestone glue on the nail surface, cure for 30-60s. TIPS: 1.If its still sticky after cured, the reason may be the wattage of the lamp you are using is too low, you can try cure it for a longer time and put your nails closer to the light source till its completely dry. 2.THIS RHINESTONE GEL HAS A STICKY LAYER ,which may make you feel uncomfortable. This STICKY LAYER is to adhere to the stone and no wipe top coat. 3. Most of the stone fell-off issue may because the glue IS NOT ENOUGH to cap the Rhinestones edge. Please try to apply extra glue to cover the stones and cap the Rhinestones edge. PS: Any question about your order or DIY routine, feel free to send us a message()