1" thick non-recessed holder designed to hold standard cards, small photographs, and vintage cards up to 3" x 4-3/8". Superior quality Lucite slabs with four-screw closure on each corner and beveled edges for a premium look. Lucite has special additives to protect your valuables from harmful UV rays. Recommended for use with Ultra PRO sleeves to maintain archival safety. Can be displayed vertically or horizontally.