Product contain: 1pcs poly nail gel for extension/15ML There are 18 colors to choose As shown in the picture How to use: 1) 1. File the nail surface lightly 2. Apply a very thin layer of base coat, and cure it under UV/LED lamp. 3. Select a suitable shape & size false nail tip. 4. Apply Nail Extension Gel on nail mold, use nail art pen with Slip Solution to make gel smooth. 5. Stick it to your real nail and make sure it fully plying-up, and cure it under UV/LED lamp. 6. Remove the false nail tip, crop the shape and polish your nails. 7. Apply gel top coat and cure it under UV/LED lamp. 8. Design your nail with your satisfied patterns. 2) 1. File the nail surface lightly 2. Apply a very thin layer of base coat, and cure it under UV/LED lamp. 3. Put a nail form on your nail and apply a layer of Nail Extension Gel cure it under UV/LED lamp. 4. Apply a second layer of Extension Gel Polish and cure it under UV/LED lamp. 5. crop the shapes of nails. 6. Apply top coat and cure it under UV/LED lamp. 7. Design your nail with your satisfied patterns.