We have both the un-insulated and insulated version, and find the insulated version a bit nicer...it seems more durable and easier to grasp when wet. The dogs don't care. They just like getting water on the trail. We like the "no waste" aspect..water they do not drink goes right back into the bottle. We first purchased the uninsulated H204K9 25 oz. bottle, and really liked how it worked. Instead of using a collapsible bowl, this type bottle has no waste; the cap is a "bowl"/lid, that the dogs easily… Full review
H204K9 makes stainless steel water bottles to serve the needs of thirsty dogs everywhere.