This ceramic mug has a cork base to add a natural touch, and a slider lid to give you the option of keeping your drink a little warmer for longer, and drinking on the go. The mug can be laser-engraved, which provides a more subtle and long-lasting branding opportunity for your logo or message. Just add ground coffee and hot water to the plunger to make yourself a satisfying mug of coffee. Mug: 10.9 ( h ) cm 400ml ceramic & cork packaged together in a grey Serendipio gift box. not dishwasher and microwave safe Plunger: 17 ( h ) x 12.5 ( d ) cm steel, plastic & borosilicate glass 350ml hand washing is recommended not microwave safe