SGT KNOTS Biothane Long Line Training Lead - 15, 25, 33 or 50 feet long (Black - 1/2 inch x 33 feet) GREAT TASTE PETS LOVE! Lets be fair, some cats and dogs are fussy! So weve made this formula mildly meaty! You can add it to their food or water with no fuss. Your best friend will love you even more with these vitamins. SAFETY NOTE: No Shellfish - Allergy Free Formula.