Checkbook Vinyl Protectors/Dividers for Leather & Hand Crafted Covers - Set of 5 Thick 12 Gauge Vinyl Checkbook Cover DIVIDER-NOT A CHECKBOOK COVER --Measures 2 15/16 Use in Hand Crafted-Leather-Top Tear Duplicate Check Book Covers-Flap goes inbetween duplicate checks For your portection delivery confirmation is required. Therefore, this can NOT be shipped in a 48 cent envelope it must be shipped as a package. Upon Check Out Be Careful NOT to check expedited shipping unless you want the more expensive shipping. The post office says All first class orders should take no more than 5 working days. Please check your delivery confirmation number to see where your item is.