These 78rpm Record Sleeves sleeves are made of 4 mil archival polyester (Mylar), an inert material of the highest clarity.

• Polyester will not discolor, damage or adhere to items placed inside it. We use DuPont inert Melinex or a suitable equivalent. This material has passed the Photo Activity Test.
• Use polyester (Mylar) to ensure your collectibles remain in excellent condition for years to come. Polyester is used worldwide in museums, libraries, and archives. Our polyester material is approved by the Library of Congress for archival storage.

              NOTE: WE ARE OUT OF 4 MIL MYLAR UNTIL LATE APRIL. We may be able to make your order in 3 mil for a 5% discount off the listed prices. If you are interested in pricing and availability on 3 mil sleeves, call us at 800-767-2247 or email: If you wish to stay in the manufacturing queue for the 4 mil sleeves, place your order using the product codes on the website and we will send it as soon as we are able. PLEASE mention you know that 4 mil sleeves are on backorder. Thank you for your understanding.

78 rpm & 10" Record Polyester (Mylar) Sleeves
78 rpm/10" Record POLYESTER (Mylar) Sleeve
10-5/8 x 10-5/8" 4 mil. NO flap.
POLYESTER (Mylar) Sleeve
Polyester Sleeves for 78 rpm/10" Record
10-5/8 x 10-5/8"   4 mil NO flap
Fits directly over 10"/ 78rpm records. 10" and 78 rpm records vary in diameter and thickness. Measure your records including thickness to verify sleeve will fit over your particular period of records.

Base SKU: s1010r

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