The Best Friend Pure filled rolls are made of natural premium cowhide and smoked pigskin. Due to their size and texture (medium bite), these filled rolls are an excellent choice for small and medium-sized dogs with a moderate bite force. This pack of cowhide and pigskin chew rolls offers a nice amount of variety for your dog. Regular use of chewing products helps maintain tooth and gum health and prevent bad breath. Chewing products also make for excellent entertainment and effectively invigorate your dog during dull moments while stimulating the natural chewing instinct.