Book Mailer$2.19 9 ½” x 6 ½” x ½” to 2″ Book Mailer with variable depth from ½ to 2″. Book Mailer quantity Add to cart Category: Shipping Boxes Description Description 9 ½” x 6 ½” x ½” to 2″ Book Mailer with variable depth from ½ to 2″. Related products 12″ x 12″ x 8″ Box $2.99 – $64.99 Select options 8″ x 6″ x 4″ Box $1.59 – $35.77 Select options 4″ x 4″ x 4″ Box $0.99 – $21.99 Select options