MIFFLIN Horizontal Badge Holder, Waterproof Plastic Card Holders (Clear, 2.25 x 3.5 inches, 100 Pack) HOLES PUNCHED - Don't waste your time punching them; Transparent ID holders are pre-punched for quick and convenient use HIGH QUALITY - Flexible, resealable, zip top PVC is durable and tear-resistant VERSATILE - These nametag protectors attach to many styles of strings, lanyards, chains, or clips MULTI-FUNCTIONAL - Ideal for conference, trade shows, visitor name badges, student flash cards, volunteer identification SIZE - Outside dimensions 3.3" x 3.9"; Inside dimensions 2.4" x 3.6"; Fits standard paper inserts 2.25" x 3.5"