Expo 81505 dry erase board eraser; soft pile; for whiteboards, glass and most non-porous surfaces; 5 1/8" W x 1 1/2" H Overall Dimensions, Pack of 8 The Expo block eraser helps remove dry erase markings quickly and easily from whiteboards. The soft pile eraser can be easily cleaned with soap and water key features removes markings quickly and easily from whiteboards, glass and most non-porous surfaces Soft pile eraser is 5 1/8" W x 1 1/2" H, and can be cleaned with soap and water Ideal for classrooms, offices and home cleans and refreshes your whiteboard with ease