Add your custom logo to this two-tone coaster with a simulated carbon fiber center for an eye-catching giveaway. Made of calfhyde vinyl plus simulated carbon fiber, this coaster features an elevated ridge, detailed white contrast stitching and a velveteen underside to protect surfaces. This round coaster measures 3 7/8" x 7/32 mil. Imported. Custom coasters are a great promotional tool for advertising bars, restaurants and more! 1 location standard decoration, standard material.