I used this to hydrate my cat with chronic kidney failure on days when subcutaneous fluids weren't administered. I didn't use it much, so I have 24 bottles left and am putting them up for sale. To reduce shipping costs, I will flatten the box for shipping, so please be aware of this. Please refrain from purchasing if you are concerned, as this item has been handled by a person. m(_ _)m The following is the manufacturer's product description: Quickly replenish lost fluids and electrolytes! Oral rehydration powder that dissolves in water. ● Powder for hypotonic drinks that also suits the body fluid composition of dogs and cats. Composition that enhances the absorption of water and electrolytes, quickly absorbed into the body. ※ Hypotonic drink: A drink with less than 2.5% sugar and adjusted to an osmotic pressure with high absorption. ● Simple formulation: Contains only the essential ingredients for hydration, with no unnecessary ingredients added. ● Easy-to-use, individually packaged type. [Examples of Use] ・For replenishing fluids and minerals that tend to be lost during exercise or in the summer. ・For hydrating cats and senior dogs who are concerned about their water intake. ・When you want to encourage them to drink water.