Trending Coffin Simple But Cute Acrylic Nails : Another cute long acrylic nails can be achieved by painting your square coffin nails with a bright orange color. About 11% of these are artificial fingernails, 14% are acrylic powder, and 7% are uv gel. Coffin Simple But Cute Acrylic Nails - Acrylic nails can be especially beneficial to those with shorter nails.