Bring elegant form and function to your tea and coffee time with this set of two Bump Insulated Glass Coffee Cups by designer Tom Dixon. They’re handcrafted with care from translucent gray borosilicate glass that’s known for its durability and heat resistance. Tom Dixon is a designer with work in MoMA’s collection. Each Bump Glass Mug measures 4.3h x 2.75"diam. and holds 6.8oz. Hand wash only.