These tropical drinking glasses are great for any special occasion including holidays, birthdays, and more.Food-safe and eco-friendly coconut cups, we only use coconut oil to give the cups their final shine. Coconut Shell Shot Glass. Our cups are made from 100% natural coconut shells, they are handcrafted by artisans in Kerala. Each cup is unique as they form naturally, natural grain of the coconut shell, texture and color variations, natural ridges, and markings vary for each shell.