The CP 055.51 secure, white book wraps offer robust wrap-around protection for your A4 ring binder files and other larger items. The pre-creased grooves allow you to adjust the mailer for a snug and secure fit around standard 35mm files and up to 80mm to fit the larger lever-arch folders. These book wraps have reinforced edges and double peel and seal adhesive strips to offer enhanced protection during transit, and an easy open tear strip for a frustration free customer experience when your items arrive; perfect for all your pack and despatch needs.