Every chalkboard needs an eraser and it's good to have more than one so there's always one around to grab. This set includes two rectangular erasers. The top is made of sturdy plastic and has a foam eraser pad. Easy to clean by shaking or with soap and water. Each eraser measures approximately 5" x 2" x 1". Comes packaged in a hanging blister pack. Package measures approximately 7" x 6" x 1".