Mark-My-Time Digital Bookmark - Yellow Now you can accurately track childrens required reading times to help take the work out of daily reading homework Made of durable polyethylene plastic it is available in three new hot colorsNeon Pink, Yellow, and Red Also ideal for timing music practice sessions, timed math fact activities, meetings, homework study sessions, cooking and interval training when exercising. Dimensions: 1-3/4" x 7-3/4"