F.O.X Builder Gels are an ideal material for modeling nails, allows you to create a strong coating, build the correct architecture. You can create nail extensions with desired length and shape. The material perfectly holds the arch and does not deform. In addition, gels does not burn in a lamp, because it is low-temperatured. Builder Gel is a three-phase nail modeling gel. It has a thick consistency. It self-levels slowly, does not spread, best to work for beginners 15 ml each / 0.5 fl. oz each Hard material; The gel perfectly holds the nail arch; Does not burn the nails in a lamp; Builder gel preserves the smile like line. *please note that in cold temperatures Builder gels can be very thick and hard to use **If you need more liquid gel and more self-levelling consider to buy from Hard Gel instead! ***If you need gel that holds a complex shape before curing choose Jelly gel (not self leveling) For anyone interested, check out our entire line of Builder Gel nail polish.