This coloring book for adults depicts an electric stingray surrounded by a variety of sea creatures. The stingray occupies a central place and is decorated with many symmetrical patterns that give the opportunity to be creative when painting. Fish swim around it, as well as crab and algae, creating an atmosphere of the underwater world. The background includes waves and bubbles that add speakers. This coloring book is designed to relieve stress and helps to relax, immersing in the beauty of marine life.