501-NA Magnetic Single Pocket Vertical Badge Holder With Thumb Notch 

Credit Card Size. Attaches To Any Shirt Pocket Without Clips Or Pins.

All Magnets Are Shielded, So They Won't Erase Magnetic Stripes On IDs And Credit Cards.

Includes a thumb notch for easy card removal.

Top Load.

Insert Size: 2 23/64" X 3 1/4" 

This item comes in packs of 50.

WARNING This product can expose you to Nickel, which is known in the State of California to cause cancer as well as Bisphenol A (BPA), which is known in the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov