yeezoHoof Soaking Bag Horse Soaking Boot Hooves Wrapped Easy Soaker Treating Bags with EVA Pad Pack of 2

what size horse/hooves does this fit?

The pictures show 3 straps when shown on the horse. But the picture of the pieces only shows 2. Am I missing something?

Will one boot hold a gallon of water? I can’t find the capacity on these.

Do you have a mini horse size