Well i have one... the largest one for two horses and a llama.. yes its pricey but in my opinion worth every penny, it holds two bales of hay and they dont pull it all out cos i wedge it in so tight they can only get a mouthfull at a time, you can easily move it when empty so avoids over poaching a particular area in the field, best thing i ever bought!!! and believe me ive tried many things over the years!!!
Lou would have a nervous breakdown if I started putting her grub in that!!
sounds like its a winner for you then!
is it light for them to move about on the floor?