Use steps:  Step 1: Polishing nails surface, apply base coat, cure under LED lamp. Step 2: Take some POLY NAILS GEL, put on your nails. Step 3: Using your brush dip small amount of Nail liquid, pat product into nail. Shape all nails. Step 4: Cure under LED lamp. Step 5: File and shape nails and smooth buffer. Step 6: Apply a thin coat of top coat. Cure. How to remove: 1.-Soak off the nails into acrylic remover for about 5 minutes. 2.-Rip down the whole piece of nail enamel gently on each nail. Kindly reminder: 1. The net weight is 30ml. But the capacity of the bottle is more than 30ml, Gel will not be fully filled in the bottle . 2. Color difference may be caused by some reasons such as color reflection in the monitor lighting,background,etc 3. When you Painted your nails pls also painted the edge of the nail,it will be more durable,and remember to use the top base coat. Specification: Name: poly nails gel Volume: 30ml Colors: 9colors Lamp: UV&LED lamp Package Content 1* Nail Extension Gel