... 2) Hard gel, for long nail extension 3) Without hot feeling 4) UV cure UV GEL professional producer, wtih more ... hardness and good tenacity.3,No yellowish and NO HOT FEELING.4,Thick gel and easy to operate.5, ... ~10min.4. Gently file away. Caution1. Keep away from the open flame ,direct heat and ultraviolet light source. 2. ... within 1 working day! Company website: www.ransheng.net The Best UV Builder Gel