Nailin is a 2 micron a Thin elastic film pattern covering for your nails it is best used with GelInstructions1. Apply White or light colored gel polish to your nail2. Apply Top coat and cure for 10 seconds2. Cut out Nailin Pattern of your choice, remove the backing with pointed tweezers3. Press Nailin down on the nail and gently smooth & Stretch it out onto your nail4. Once happy with the fitting of your Nailin design, Apply top coat and cure for seconds5. Remove any excess Nailin film with a file & then clean of any excess dust6. Apply top coatTips:Nailin is best applied over the top of a light or white colored base so that images colour pop!Step 2 is important it makes the nailin film glide and fit on top the nail