SideKick hooks onto the sidewall of any typical comic storage box, gripping the cardboard snugly to stay put. This gives your valued comics the RIGHT fit in any box, holding them upright and damage-free. No more wads of bubble wrap. No more heavy TPBs. Or cardboard, backing boards, or whatever else you've been using. You'll never again hear that awful sound of your valuable back issues flopping over and getting bent in storage. And no need to spring for another expensive plastic box! SideKick is: - Compatible with nearly any cardboard comic box (i.e., Short Boxes, Long Boxes, Magazine Boxes, Graded Comic Boxes), as well as most collapsible fabric comic "totes" and even cardboard record album (LP) boxes - Made of high-quality ABS plastic, durable and sturdy - Easily repositioned as you add or remove comics from a box - Designed by a lifelong collector, and Made in the USA