Hartz Dentist's Best Dental Dog Treat Chews Satisfies the natural desire to chew and gently massages your dog's gums while helping to minimize plaque and tartar build-up plus freshen breath Includes 10, 2-inch non-staining beef flavored mini rawhide knotted bones; For small dogs under 20 pounds Scientifically proven to reduce tartar formation by 80% or more DentaShield reduces new tartar formation by bonding with components in your dog's saliva Tasty and long-lasting