Dungeon Master Split d20 Decal
Because you're the DM, that's why!
The decal is approximately 2.5" square and comes in black.
Your choice of regular lettering or all capitals (because sometimes you just have to make more of a statement!).
Removable or permanent adhesive available depending on your intended use.
--Water bottles, coffee mugs, cars, and things of that nature require a permanent adhesive decal.
--Laptops, phones, tablets, etc., should be adorned with a temporary adhesive decal.