Stainless steel double-walled drinking mug 300 ml Keith, bla

Stainless steel double-walled drinking mug (300 ml) with a PP lid and silicone grip. Keeps contents hot for 4 hours and cold for 6 hours. The interior is made of stainless steel 304, and the exterior is stainless steel 201. Individually packaged in a brown cardboard box.