Lineco acid free photo tabs. Self adhesive on both sides. Non-yellowing Archival adhesive. Use to permanently mount photos news clippings and more to album or scrap book pages. 500 - 1/2" square tabs with pressure sensitive adhesive on both sides. Lineco offers a variety of archival quality photo mounting products for albums, scrapbooks, and framing purposes. Choose from traditional paper corners, pressure sensitive, see-through mylar corners, or easy-to-use photo tabs. All are acid-free.