WE R MEMORY KEEPERS-Photo Sleeve Protectors. These photo sleeves were developed specifically for scrapbookers of a low glare; ultra clear acid and PVC free as well as archival quality; heavyweight polypropylene film that is strong; clean; with micro-weld seams that will not tear. This film will not stick to your photos; memorabilia or photocopies. The three holes were spaced perfectly for most 3-ring binder and post bound binder albums. Each package contains ten sheets that feature three 6x4in and one 6x12in photos/layouts pockets. Imported.