The Hydro Flask 12 oz Coffee Mug, despite its rugged good looks (it comes in four colors), is also very durable since it's made of stainless steel.

The ceramic mugs with a metallic coating were sold in 11 oz. and 16 oz. sizes as part of these four gift sets: Starbucks Holiday Gift Set with 2 Mugs (11 oz.) Starbucks Classic Hot Cocoa and ...