SINGLE eraser--includes 1 magnetic whiteboard eraser. COLOR CHOSEN AT RANDOM - Your eraser will be one of the following solid colors: red orange (less common) yellow green blue purple (less common) or black. Tone of colors shown may vary slightly. CONVENIENT - Always at your fingertips! Attracts to any magnetic receptive surface including magnetic whiteboards most refrigerators steel file cabinets and more! DRY- AND WET-ERASE - Felt eraser surface cleanly erases both dry- and wet-erase markers. DURABLE - Made of lightweight durable foam. Magnet is safely embedded deep within the foam for a scratch-free eraser surface. EASY TO GRASP - Contoured grip conforms comfortably to the natural shape of your hand. FITS RIGHT IN YOUR HAND - 4.25 inches long x 2.25 inches wide x .88 inch thick USAGE TIP - To prevent smearing remember: DRY-erase markers (not included) are designed to be erased after marks DRY. WET-erase markers (not included) are designed to be erased when marks are WET. * Each eraser is 4.25 long 2.25 wide and 0.88 thick. * Eraser sticks to magnetic whiteboard. No need for storage tray. Sticks to any magnet-receptive surface. * Will not scratch board. * Safety tested to US product safety standards for ages 3+.