10 Empty Unsealed Hard Acrylic Professional Slabs for custom or graded cards. | Fits 3.5" x 2.5" standard size cards. Header size: 0.75" high and 2.5" wide. There are two pieces, a top and bottom that do not snap together. | Ten (10) bulk pack of unsealed professional quality slabs. To seal the slab use plastic adhesive or a sonic welder (sold separately). Each slab is wrapped in a polybag to prevent scratching during shipping. | Excellent for large projects, custom card collections, custom labeling, or protecting your personal collection. | Professional quality unsealed graded card holder. | Stackable with PSA slabs, sturdy, top quality | Open header label area for custom labels. Recessed card area with corner cutouts