These are USA made specifically for medicare cards. They are high strength medicare card holder protectors. There is a thin offset opening to easily insert and remove cards; guard your card! Each side is 6mil thick, total thickness is 12mil thin; card easily slides in and fits in men's and women's wallets without trimming. 1 specified buys 5 protectors, 2 specified buys 10, etc.
Also fits for a business card, gift card, or credit card. Just the right thickness, not too bulky, thick, or sticky for your medicare card.
The United States Social Security Administration states against laminating medicare card with plastic for the reason that the card may have built-in security measures which might be lost by lamination.