Pinit Print & Poster 'Folder' Sleeve. 18-1/4 x 12-1/4". 4 mil POLYESTER.Sealed on one long edge. Indefinte Storage. SKU: S1812F (0)No Reviews yet Add to Shopping Cart Details Print & Poster 'FOLDER' Sleeve 18-1/4 x 12-1/4" 4 mil Polyester (Mylar) Sealed on one long edge (18-1/4"). • Crystal-clear archival material. • Ap... Details Back DetailsPrint & Poster 'FOLDER' Sleeve 18-1/4 x 12-1/4" 4 mil Polyester (Mylar)Sealed on one long edge (18-1/4").•Crystal-clear archival material. • Approved for Indefinite Storage by the Library of Congress. • Passed the Photo Activity Test (P.A.T.) Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review