They work! I tested these out on beach sand, wet and dry, they worked well, stayed in place and helped the tires get grip. These are the full size models, I also have their smaller versions which work almost as well, very good products! Really beefy plastic molded construction, great design!Includes a storage bag as well as mounting brackets, I keep it stored in the bag behind the truck seat, i would rather not mount and display a whole bunch of junk on my truck, some people like to show off their gear, it’s nice to have both options. While the bag isn’t great, it’s better than none at all, i added some thin foam padding inside and it’s better now.Good product! Works well!