4 635" x 7.25 Field Flex Standard Book Pending Products - One meter impact-resistance tested

- One meter impact-resistance tested

- A zipper compartment for your favorite snack or personal items

self-inflating air mattress with die-cut construction

- Two large lower pockets

4 635" x 7.25 Field Flex Standard Book Pending Products - One meter impact-resistance testedField Flex is our most flexible cover material. The paper based stock is tough enough to withstand the harshest and wettest conditions yet can be torn like heavy paper. As it?? s paper based, it can be recycled with other papers. These are some of the best "pocket" books as the covers will conform to your shape in very little time. Perfect bound books are made by grinding the ends off folded sheets (called signatures) then gluing them to a cover