"The Stanley Transit Flip Top Mug makes it easy to stay hydrated when you're on the move. The slim design makes it easy to drop into your backpack or slide into your vehicle's cup holder, and the AeroLight technology makes it much lighter than standard stainless steel. Made of 18/8 recycled stainless steel, this Stanley mug is double-wall vacuum insulated to keep your drink the perfect temperature from the first sip to the last drop. A leakproof design prevents messes, while the silicone lid tab and footpad make it easy and quiet to use. Dishwasher-safe design for hassle-free cleaning. 8""H x 2.8""W x 2.7""D. Weight: .54 lbs.Manufacturer model #: 10-21353. 18/8 recycled stainless steel AeroLight technology reduces weight Slim, cup-holder-friendly design Double-wall vacuum insulation Leakproof lid with a silicone tab Silicone footpad Dishwasher-safe"