Nylabone Romp 'N Chomp Large Roller Dog Chew Toy Treat Refills Romp'n Chomp Treat Toys keep dogs entertained and make treats last longer Treat refills for Romp'n Chomp toys All-natural ingredients, including real chicken Contains no added sugar, salt, preservatives, artificial colors, or fillers Romp ?n Chomp Treat Toys keep dogs entertained and make treats last longer