Daily dental. Curved design for E-Z grip. Dental ridges for clean teeth. Veterinarian recommended. Daily Dental: Unique ridge cleaning action; Reduces plaque and tartar; Discourages destructive chewing. Different dogs have different chewing styles and strengths, even within the same breed. Be sure to choose the correct chew size and type for your dog. Non-edible: bristles raised during chewing help clean teeth and control plaque & tartar. Small shavings (no larger than a grain of rice) should pass through. Dogs should not bite off large pieces - replace when ends have worn down. Always supervise the use of chews and toys. Nontoxic. Made in China.