Specification:Capacity: 15ml - Colour: 20 Colours Package Contents:10 Bottles 15ml Gel Nail Polish Feature:100% new retail and high quality. - Faster drying with any UV Light. - Long lasting and very shining. - Easy to apply and soak off. - Suitable for professional use or home use. Usage of Colour Gel:Step 1: Clean Nails then trim the nail surface as normal manicure process. - Step 2: Fully shake up the polish, it can make the polish color be balanced. (Important)Step 3: Apply a thin layer of Base Coat and cure under a nail lamp (UV 36 Watts/LED 9 Watts or higher, UV lamp for 2-3 minutes, or LED lamp for 60 seconds). Step 4: Apply a thin layer of 1st color coat and cure under the nail lamp again. - Step 5: Apply a thin layer of 2nd color coat and cure under the nail lamp again. - Step 6: Apply No Wipe Top Coat and cure under the nail lamp again. Or regular Top Coat but remove the tacky surface with cotton soaked with cleanser or 95oalcohol after curing. How to Remove UV Gel Nail Polish:-Soak nails in a glass bowl filled with a small amount of pure acetone, or wrap each nail in a cotton pad soaked with pure acetone for around 5 to 10 minutes-Product will start to become soft and you can gently file it away or slide it off using a small wooden stick.