This super-soft building compound easily molds and shapes into endless creations, inspiring open-ended play. Cleanup’s a breeze, and when molded and sculpted into any shape you like, its texture is incredibly smooth to the touch. Its unique, non-toxic, formula is wheat, gluten, and casein free.
It's not slime, it's not putty, it's not clay...it's mad Mattr!
Never Dries out! Dry Climates make it harder, humid climates make it softer.