The Forge vacuum travel mug from CamelBak comes with a impact resistant and double walled vacuum insulated construction such that it keeps the drinks hot more than four hours. The lid is spill proof and the cap is self sealing. Once opened the lid snaps into its place and stays out of your face. You can open it just pressing the button for frequent sipping. Double walled construction Spill proof Ergonomic design Vacuum insulated Blaze color