Our ColomPac® Extra Strong Book Wraps provide all-round protection to make sure your products arrive in perfect condition. These book wraps have double thickness cardboard and safety flaps to reinforce the mailer offers great care during transit. When using an Extra Strong Book Wrap you use the pre-creased grooves to adjust the book wrap to the desired height, making sure there is a snug fit. The mailers are packed centrally and has a peel and seal adhesive strip to make packing quick and easy with no need for tapes.