What are Inkbox Nail Art Strips made of? Our nails are made from a film-forming polymer for a perfect fit and super durable wear. Related articles How do I apply my Freehand Tattoo Marker? Does the ink expire or have a shelf life? How to use the Freehand Tattoo Marker (with tips & tricks!) What's the status of my order and how can I track it? What if the nails don't fit perfectly?