Pack of 12 ID Badge Holder Horizontal Clear Card Sleeves Protector Heavy Duty Waterproof Vinyl PVC ID Cards Cover w Resealable Zip, fit 4.5"x3.5" 4"x3" Card Inserts SLIGHTLY LARGER TO FIT LAMINATED 4”X 3” Cards: Outer Dimensions 4 3/4” x 4 1/5” Inner/Insert Dimensions 4 1/4 x 3 1/2 inch,Fits for CDC issued Vaccination Card 4.5x4 or 4.5x3.5 or 4x4 or 4.3x3.5 or 4x3.5 or 4.25x3.5 or 4.28x3.2 or 4.25x3.75 or 4x3 Inches etc. The sleeve is great for 3"x4" COVID Vaccination Record Card,keep vaccination record safe. The pocket of this protector is slightly larger so it was very easy to fully insert the CDC cards and close the 'zipper' without folding or bending the vaccination card. Durable clear sleeve keeps vaccination card from getting bent, torn, or damaged keep your vaccine card safe and clean while traveling. Display CDC vaccine card at Airlines for Quick Entry, Share the CDC Covid-19 vaccination cards with friends families.make sure family members all had their card protectors. The package don’t come with a clasp or lanyard but you can use any lanyard or a safety pin to attach it to your clothes.