Amazon.com : 5 Pack - Hard Plastic Badge Holder with Thumb Notch Slide Removal - Vertical Side Load - Clear Frosted Rigid Plastic - Holds One Standard Credit Card Sized Name Badge
Plastic ID Card Badge Holders - 60 x 90mm - Pack of 100
HPBH-V1 or 1840-6500 Hard Plastic Badge Holders V1 | Groove Identification