StoreSMART - Black-Back Auto Insurance & ID Card Holders - 50 Pack - RFS20-BK50 Crafted of archival quality polypropylene plastic that won't lift ink from your documents. Front is crystal clear; back is a solid color. Overall size: 4" x 5 5/8". Inside capacity of large pocket: 3 3/4" x 5 1/4". Inside capacity of small pocket: 3 3/4" x 2 3/8".