All our book wraps are high quality and unprinted, which means when sending your products, customers are able to concentrate on your item and brand and also give that premium feel. Perfect for sending books, magazines brochures and many other items. Available in 5 different sizes from C1 to C5 Widely Used by Amazon and eBay sellers as they are self seal and easy to pack large numbers of items, many customers also pack the items and put them into our Coloured mailing bags to give the extra protection from rain and apply labels with their logos or SKU numbers on the outer part of the package. Our other alternative is the Rigid Mailers which is even easier to pack.