Green and Blue Mood Mudd Changes color with the heat from your hand just like mood rings! For adults and kids over age 5. Here's some squishy fun when you're in a manipulating mood at the office. Mood Mudd comes in a 3" diameter x 1.75" tall resealable container, 4 oz. each. Does not stain and is nontoxic and water soluble. Made in the USA. Mood Mudd, which is made in the USA, is soft, stretchy, stringy and a bit sticky, with a feel something like a cross between dough and jello. It's temperature sensitive, so it changes color with the warmth of your hands as you squish it and mold it. Comes with its own special Mood Mudd container for storage. Does not stain and is nontoxic and water soluble. Have lots of fun and relieve some stress with Mood Mudd. 4 ounce container