AT-A-GLANCE Loose-leaf Desk Calendar Base for 3.5 x 6 Inch Page Size， Black (E17-00)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Classic yet contemporary black base holds standard calendar refills up to a 3.5 x 6 or maximum 6.5 inch page size </span></li><li><span class="a-list-item"> Black base is made of high-impact molded plastic and is recyclable; two ring binding; base overall size is 7.5 x 8.75 x 1 inches </span></li><li><span class="a-list-item"> Holds standard 17-style calendar refills (E717 50， E517 50， E417 50， S170 50， E017 50， E717T 50， and E717R 50)， sold separately </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41dVL%2BblS5L.jpg" noproxy>