Let's Do Home Gel Manicures and Create More Admirable Nail Designs by Mixing and Matching Jofay Fashion with 20 colors gel nail polish set is deliberately well-selected, which is suitable for all skin tones. This kit includes 20pcs colors gel nail polish, 1pcs Base Coat, 1pcs Glossy Top Coat and 1pcs Matte Top Coat, so you don't need to purchase the base and top coat separately. The volume of each bottle is 0.2 fluid ounces(6 mL). Secret to Make Nail Gel Last Longer 1.Please ensure your nails are completely dry, clean and oil-free before applying. 2.Apply thin coat each layer is the key and don't apply the gel on the skin or cuticle. 3.Base coat and colored gel remains slightly sticky after curing, and do not touch them in case that it will leave dirty on the nails. 4.Cap the nail edge when you applying to avoid chipping and peeling off easily. Warm tips: 1.This product may cause an allergic reaction, please always take a skin test before applying.Stop using it immediately if you feel uncomfortable. 2.Cure times vary per lighting system.