If you don't like the exista color set,you can pick 3colors you like and send us. Features: Our extension gel is better quality than other! Extension Gel is more flexible than acrylic,stronger than hard gel. Easy to use,just 3 simple steps to use,squeeze,slice,roll. Fast and easy,no chasing or intense heat spike. Unlimted playtime,you can work at your own speed. 8PCS/Set Package Contents: 15ml Extension Gel*3+Slip Solution*1+Double-head Brush*1+Nail File*1+Nail Mold Tips*100+Nail Mold Clip*1 Extension Gel Capacity: approx. 15ml Slip Solution Capacity : approx. 30ml Extension Gel Color: 15Colors For Choose How to use: 1.File your nail surface lightly 2.Apply base coat and curing by UV/LED Lamp 30-60s ( Make extension gel stronger with nails ) 3.Select a suitable size false nail tip.Squeeze the right amount of extension gel into nail tip and use nail brush with a little slip solution to brush extension gel competely cover nail tip inner. 4.Stick nail tip on your nail to make it compelety flying up,and curing by UV/LED Dryer Lamp 30-60s 5.Remove nail tip,manicure your extended nail. 6.Apply top coat and curing by UV/LED Lamp 30-60s ( Make extension gel more shiny) 7.Done!