Nails Ideas 2025 Coffin. Coffin nails are long and have a straight, blunt edge on the top, unlike other popular nail shapes like the stiletto. Coffin nails are a shape that lends itself well to many different colors and techniques, including ombre.
Here, we introduce you to the trendy nail shape and inspire you to try it out for yourself. Coffin nails are the perfect canvas for bold manicures.