If you’re looking for something small, cheap and original, you can always order a coaster! One for £5 and a pack of 4 for £10. Shipping included.
Printed on PVC foam makes it super easy to wash. You can place a hot mug on it and nothing will happen. Or a cold beer. Or a glass of wine. Anything you want! Size of a coaster is 10x10cm.
Available designs to order: