• Functional Chews that have sweet potato as the primary ingredient-high in fiber & antioxidants. • Firm, yet flexible texture designed to scrub the tooth from tip to gum line. • 98.6% soluble in the GI tract, very little solid materials left in digestion. • Has Icelandic Sea Kelp and decaffeinated Green Tea extract to stop bacteria growth on tooth surface, plus parsley to help breath from the GI tract out. • Patent pending scoop and treat function fits Skinny Minis treats and pumpkin supplement. Small Size for Dogs up to 25-lbs. Medium Size for Dogs 25-70-lbs.