Zippy Clear Business Card Letter Opener (25 Pack) Made in the USA. Perfect for 2 Sided or 2 Business Cards, Photos, Fits 3.5 X 2 inch Insert, Envelope Letter Slitter, Box Cutter, Stainless Steel Blade Just insert your business card and get your instant personalization under the clear lens for added protection Clear Zippy compatible with 2 sided business card Proudly made in the USA The business card letter opener makes great giveaways or mailers