? Satisfaction Gurantee?:If you're not completely satisfied with your purchase, email us for the best solution. Happy customers are our #1 priority with every single order. Bloggers and customers love our new gel polish and now you can try us out at NO RISK to you. ?Colour Changing Funny ?:Suggest keep nail longer could get perfect color changing on nail ,put hand in the hot water or cold water ,you will the color chagning right now ,have more fun in your life. ?21 Days+ Long Lasting ?:Three week high-gloss wear.colours are bright and shiny.Mirror finish. No nicks,chips ,smugdges or bubbles. ? UV Led Lamp Required To Dry ?:Required drying under UV Lamp for 2-3 minutes or LED lamp for 60 second,Off in minute. ? Colour Changing Nail Polish Set?:Item included 4 color changing gel nail polihes with our exclusive brand Allenbelle,made by non-toxic and harmless resin.