We have something simular. My husband uses it every day for his work van. He works for a AC company so needs lots of water, gatoriad etc. We got ours at Walmart. Well worth the money we use it ever time we travel and has saves us alot of money on drinks and sand on the go. his opens at the top and is smaller like a cooler but deep. We travel out of state at least once a year and it works well for us. Sure beats having to stop for ice or have sloshy wet drinks. The only thing about ours is you need an ice pack or two to help it cool itself after that you can take it out. Also dont forget to unplug it if you stop or it drains the battery.