250th Anniversary square pulpboard coasters. A set of 250th anniversary themed pulpboard coasters with two each of 4 different designs.  Pulpboard coasters are absorbent, disposable coasters typically made from recycled paper pulp. They are known for their ability to absorb condensation from beverages, protecting tabletops from water damage. Pulpboard is also a sustainable option, as it is biodegradable and can be recycled. 250-COSP