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 3 holes were spaced perfectly for most 3-ring binder and post bound binder albums. Each package contains 10 assorted protectors. Imported.