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 two 4x6in and one 4-3/4x8-1/2in photos/layouts pockets. Imported.