KEEP COLD & HOT FOR 6H OR MORE: Double wall vacuum insulation, perfect for hot & cold drinks.CONVENIENT & DURABLE HANDILE: Snug around the top when not in use, handy to have when you need it. When you are in hurry or your hands are full, the fold up handle is totally a life saver.LEAKPROOF LID: Would you dare to hold your coffee mug upside down? Notre travel coffee mug can do that, its easy to open and close the lid to sip but it holds tight so its will not leak. Because of the flip up lid, it will not spill over when you are driving.NON-SLIP RUBBER SUR THE BOTTOM: With an awesome rubber grip bottom, so it doesn't slide across your desk as badly when your are not paying attention and moving things around while typing.MATERIALS: 304 Austenitic stainless steel for inner and outer & Food grade PP & Food grade silicone.