Avoid unsightly ring stains on your coffee table with this delightful selection of coasters:

Mental Floss has affiliate relationships with certain retailers and may receive a small percentage of any sale. But we only get commission on items you buy and don’t return, so we’re only happy if you’re happy. Thanks for helping us pay the bills!

1. FLOPPY DISKS; $22.79

Floppy disks are not obsolete—at least in your living room area.

Buy on Amazon.

2. MARIO; $20

Etsy

Unfortunately, no coins will be coming out of these coasters, but they will keep your table dry.

Buy on Etsy.

3. GAME OF THRONES; $12.99

HBO Shop

Avoid a royal mess with house sigils of houses Targaryen, Stark, Baratheon, and Lannister.

Buy at the HBO Shop.

4. PACMAN; $20.95

Use these on a black table to recreate the retro video game.

Buy on Epic Giftables.

5. AGATE; $35

Rock on: These fancy agate coasters will look solid resting under your glass.

Buy on Amazon.

6. ELEMENTS; $56.99

These glowing coasters are perfect for chemists, Breaking Bad fans, and anyone who forgot to pay their electric bill.

Buy on Amazon.

7. BUILDING BLOCKS; $19.99

Build your own coaster with this LEGO-esque design.

Buy on Amazon.

8. STAR TREK; $16.63

Amazon

This ceramic set celebrates all the best ships from Star Trek.

Buy on Amazon.

9. DR. WHO; $22.99

Just make sure you don’t accidentally send your glass into a different time period when you set it down.

Buy on Amazon.

10. RILAKKUMA; $1.95

Bonanza

Cover your counter space with the cute face of Rilakkuma.

Buy on Bonanza.

11. HARRY POTTER; $50

Etsy

All the houses are present in this set of wood coasters.

Buy on Etsy.

12. FALLOUT; $25

Etsy

Just because it’s the end of the world doesn’t mean all manners go out the door: Never forget to use a coaster!

Buy on Etsy.

13. BRAIN; $19.99

This set comes with 10 coasters, each with a slice of brain specimen. When you’re not using them, you can stack them together to create a full brain.

Buy on Amazon.

14. THE LAST AIRBENDER; FROM $13

Aang and his entourage face off on these wooden coasters.

Buy on Etsy.

15. BUFFY AND CO; $20

Getting totally wigged by the idea of a stained table? All your favorite characters from Buffy the Vampire Slayer can give you an assist.

Buy on Etsy.

16. STUDIO GHIBLI; $25

Etsy

These coasters feature scenes from the classics My Neighbor Totoro, Princess Mononoke, Spirited Away, and Howl's Moving Castle.

Buy on Etsy.