This Waterproof Notebook is the perfect tool for referees on the go! With a durable PVC cover and top spiral bound, it's sure to stand up to any game. It features 48 waterproof pages, so you don't have to worry about your notes getting wet, but it is great in any weather. It's also perfectly sized at 3" x 5" so you can easily store it in your pocket or bag. You can use it with a pencil or a marker to make sure your notes are clear and accurate.