The high impact PVC contains no plasticizers or stearates that could damage your collection.
They hold most continental sized postcards, photographs and other items up to 6" x 4" and they open on the long side. The exterior dimensions of the sleeve are 6.375'" x 4.25". Pack of 25 sleeves.
My postcard protectors
Protectors are great - thick and sturdy as advertised. Thickness is supportive and yet clarity is perfect!!