“While there is nothing wrong with the boot, I do not feel like it is necessary for me. When purchasing my Traveler I did not realize that the bottom of the cup already has silicone along the bottom to prevent from slipping. The boot just provides an extra layer and comes up along the sides a bit. Having the boot on does cause it to catch a bit in my car cupholder and I don't use it all the time. While the color matches great and it stays on well, I would not purchase again.”
