There are
products
Car Coaster|OKC Streetcar Map Circle
• Round Size: 2.75" Diameter, fits most car cup holders
• Absorbent ceramic
• Beveled edge on back for easy removal
• Made in the USA
$3.95
Drink Coaster | OKC Streetcar Map Square
• 4 x 4 x .5"
• Natural Limestone
• Super Absorbent
• Full-coverage Cork Backing
• Made in the USA
$8.95