These coasters are a great means of upgrading home decor or adding character to any professional establishment. Made with a hardboard bottom for extra longevity, every coaster is assembled in the USA and is available in a single size: 3.5" x 3.5".: One size (3.5" x 3.5") (8.89cm × 8.89cm).: Hardboard bottom.: One piece per pack.: Assembled in the USA from globally sourced parts