The Protexin Pro-kolin Plus Syringe is a 60ml solution specifically designed for dogs of all sizes, including XXS, S, XL, XS, L, and XXL. It is formulated to support the well-being of senior, adult, and puppy dogs, particularly those belonging to the Spaniel breed. This product is ideal for pet owners looking to supplement their furry companions with essential nutrients to promote overall health and vitality in their canine friends.