Add a little extra POP to your classroom Each pack of Pop-Its(R) Pockets includes twelve 3-D pockets (approx. 5.25" x 6" when assembled) and twelve cards (4.5" x 7" each). This set features one pocket design and six assorted sea life card designs. Pockets are cards are die cut and scored for easy use, and be used for job assignments, classroom management, matching, sorting, and more --(Patent No. 8,333,594)