These glitter coasters for car cup holders are perfect for anyone who wants to have some bling in their car!! These come as a set of 2 and the diameter is 2.5 inches. Each item is made with FDA compliant epoxy that is uv resistant and also heat resistant up to 500 degrees. Please note colors may vary on screens. Please contact me with any questions or if you want to make your own custom car coaster! Thanks!