KB Boxes Students can store their books in a KEEP BOOKS box. These boxes are open at the top and sturdy enough to sit upright. They are designed to loosely hold 16 KEEP BOOKS but can hold up to 32. Use them in the classroom for your students to store their KEEP BOOKS as you introduce a new set. Then reward your students for their achievements by sending their KEEP BOOKS home with them in their very own box. . Pack of 25 for only $30 Quantities of 1-24 for only $1.25 each