They can be cut with scissors. They are very light. They can be painted. Like any tiling job plan your layout before you start. Aim for a plan that uses the most complete tiles. They need high grip adhesive. Not simple silicone. The square detail when cut right across can sag slightly in middle. They can be painted. Allow at least two coats. Paint before you fix. Done right they look good in the right space. Tiles lap onto each other at flat edges.