Oggi 8078.3 Double Wall Vacuum Sealed Stainless Steel Travel Mug with Flip-Open Locking Lid (0.5 Lt./16 Oz.)-Black A lightweight, reusable alternative to disposable bottles-Slim & Sleek: Fits most car cup holders Spring loaded Flip-Top with a lock. Ensures no accidental spills and allows for convenient 1-hand operation Vacuum-seal technology and double-wall construction ensure superior insulation for hot or cold liquids Store and carry coffee, water, juice or carbonated drinks with ease Use & Care: Hand washing recommended