Tug Toys from BoxerTUFF. (Canadian Owned & Operated) Natural rubber Dental Ball with all natural hemp rope for hours of interactive fun. The Dental Balls can be used to hide small treats and help promote good oral hygiene for your dog by cleaning teeth and massaging gums as they play. Natural, unprocessed hemp ropes are mold and mildew resistant, chemical, pesticide free and eco-friendly. The hemp fibres are completely digestible, so your dog can play worry free. Available in Small or Large sizes.