Did you know moss ball pets can live to be over 100 years old? Marimo make for the ideal care-free companion! These low maintenance conversation starters on require chilled water (replace every 4-6 weeks) and a shady spot! The moss ball pet by Moss Amigos is the PERFECT gift! Want a hat? We can add one on for you - just send us a message and we will let you know what is currently in stock. Hat prices range from $8-10 each. Care: Keep moss ball out of direct sunlight. Change the water with cool water every 2-4 weeks or as needed. Each pet comes in a 16 oz. glass jar.