3 in 1 gel polish 1.no need file ,just buffer 2.lasting 21 days 3.cure fast,easy soak off ... longer,please use our builder gel before color gel2.Brush 2 layers color gel on the nails,the first layer ... also thin but need brush the real color3.Finish.(last 2 weeks,no need to top seal each step )*If ... need 5mins in acetone or any kind of remover for soak off the gel. new* 3 in1 gel polish,all in one gel ...