All Sam's Yams Are Made From Orange Fleshed, Sweet Potato- Also Known As Yams. These Chews Are Highly Nutritious And Excellent For Your Dog’S Teeth And Health. Sweet Potato Is Very High In Anti-Oxidants. Nothing Artificial, No Sweeteners, Colors, Or Processed Food Items Have Been Added. Sam’S Yams Are Made Only Of Human Food Quality, Fresh Sweet Potato And Nothing More. The Trick Is In The Patent Pending Drying Process, Where The Sweet Potato Is Transformed Into A Chew That Has Characteristics Similar To Rawhide Or Jerky. Basically, A Vegetable Rawhide-Like Chew! Three Different Shapes And Sizes Available: Bichon Fries - Made Of Sweet Potato Only, But Cut Like French Fries. Perfect For Smaller Breeds As A Chew, Or A Treat For Larger Dogs. Can Be Used As A Training Treat. Veggie Rawhide - An Excellent Chew For All Dog Sizes. Made Of Whole Thick Slabs Of Sweet Potato, Dehydrated. The Chews Have A Hard Surface, Excellent For Dental Health, And A Chewability That Dogs Love. Smaller Breeds Will Chew These For Fifteen To Twenty Five Minutes. Medium To Larger Sized Dogs Will Chew Them Faster, Of Course. Big Boyz - Made Of Very Thick Slabs Of Sweet Potato, Dehydrated. Designed For Larger Breeds, But Smaller Dogs Will Enjoy Them As Well And They Will Last Them A Good Long Time. Each Slice Is Perforated In Order To Assist In The Dehydration Of Such A Large Piece. The Surface Is Hard So As To Provide Dental Benefits, Yet The Chews Have A Texture Similar To Rawhide. Each Chew Has The Nutritional Value Of Half Of A Large Sweet Potato.