BookBuddy - Students Choice! BookStand-Snaps in a 3-Ring-Binder Portable and durable There are no components to put together or get lost. The support structure "pops up" from a central plate and folds back down when not in use. The entire book and binder stand measures 8 3/4" (222-mm) by 8 3/4" (222-mm). Quick and easy assembly from flat storage to upright stand.