The new innovative polymer system of PRO ENHANCEMENT LED Builder Gel is technology of the highest quality. . This is a hard gel system as required filing to remove. APPLICATION:For use as an overlay apply 1 layer and cure under LED or UV light for 60 seconds. To sculpt & build the nail apply 2-3 medium coats curing each coat for 60 seconds. Recommended lamp watt: UV - 36W LED -12WColour: CLEARSize: 30gCure: LED or UV