Directions: To eliminate hairballs for adult cats, feed a one-inch ribbon (2.5 cm) of Petromalt daily until symptoms disappear. Give between meals, either from your finger or by placing on cat's front paw where it can be licked off readily. To prevent hairballs, feed adult cats a one-inch (2.5 cm) ribbon once or twice a week and brush frequently. Use with kittens over four weeks of age--feed a half-inch (1.5 cm) ribbon once or twice a week. Warnings: Should symptoms persist, consult a veterinarian. Keep out of the reach of children. Store at room temperature.