Acrylic Coffin Acrylic Nails are very fashionable as always and also one of the most popular nail shapes. The coffin nail, it's neve faded away from the fashion stage after many years of development, is chased by many stars and office lady, students,etc. Coffin nails can be manicured into many nail types such acrylic coffin nails , matte coffin nails glitter coffin nail ,etc. Or you can try diffirent colors such pink coffin nails, yellow coffin nails and blue coffin nails.