MYLITES4 SLEEVES: CURRENT - Though more expensive, inert Mylar sleeves contain no harmful additives or plasticizers. Because of this, they are completely stable and are preferable for long-term storage. The 1-1/2 fold-over flap can be tucked in or taped closed. Sold in Packs of 50.
Mylites4 Sleeves: Current Size (7x10-3/4) (50)