3V Caps skin formula for dogs and cats suffering from allergies and skin disorders. 3v Caps contain fish oil, Omega 3 fatty acids, plus Vitamins A, D and E. Choose the Sm. - Med. Breed 3V caps for pets up to 30 lbs., Med. - Lg. Breed for pets 30 - 60 lbs., and Lg. - Xlg. Breed for pets 60 - 90 lbs. Help protect your pet's skin and coat, pick up some 3V Caps today.