Post-it Mobile Attach and Go Pocket, Clear with 3M Dual-Lock Fastener, 2 5/8 x 3 7/8-Inch, 2-Pack (PM-PSM1-CR) Sticks securely, removes easily from laptops, notebooks, planners and more Transparent: see business cards, receipts, credit cards, cash 3M Dual Lock Fastener snaps secure