504-QST Badge Holder,Vinyl Badge Holder,Proximity Card holder,Heavy-Duty, Clear Vinyl, 2.25" x 3.00" (57 mm x 76 mm), Color Clear - 100/pack
These proximity card holders are made with heavy-duty vinyl for extra durability. They feature a lock-in slot that goes through front and back of holder so ID "locks" in place when badge strap is inserted.