Handbuilt mug with doggy paw print details. Doggy pawprint thumb rest, pawprint around the bottom of the mug and pawprint on the handle. 
Drippy Hebridean seas glaze. Mug holds 100 ml which is espresso sized. May not  be completely round as a handbuilt item. Handwashing recommended, microwave safe. 
Exact item you receive may not be the exact mug in the image, but it will be very similar.