Fish Dry Erase Magnets (12 Pack) 3 3/4" x 3" Fun for your dry erase board, use these vinyl Fish-Shaped Dry Erase Magnets for your own games, displaying projects and more. Write words, letters, genres, or fun messages and add to your fridge or any magnetic surface to make a splash. 3 3/4" x 3" Dry erase markers sold separately. 12 pack.