Ultra PRO 0.25" Screwdown Recessed Holder

1/4" thick screwdown for 2-1/2" x 3-1/2" (63.5 mm x 88.9 mm) standard size cards with recessed area to hold the cards in place. Designed with two-part ultra-clear material and four-screw closure with one screw in each corner. Acid-free and PVC-free.