Sisal Smoothing Mitten Our adorable sisal mitten is a great shower companion. All-natural sisal fibers (from the leaves of a plant in the Agave family) are woven into a one-size-fits-all mitten that will help you smooth and invigorate your skin. Use this Sisal Smoothing Mitten in place of a washcloth to instantly rev up your bathing routine, providing exfoliation to remove dead skin cells and boost circulation.