C-Line Products - C-Line - Self-Adhesive Business Card Holders, Side Load, 3-1/2 x 2, Clear, 10/Pack - Sold As 1 Pack - Create more professional-looking proposals, presentations and reports. - Clear vinyl pockets feature permanent adhesive to ensure that you'll never lose your cards again. - Also great for identifying ownership of software, policy manuals and reference books. Create more professional-looking proposals, presentations and reports. Clear vinyl pockets feature permanent adhesive to ensure that you'll never lose your cards again. Also great for identifying ownership of software, policy manuals and reference books.