Collected Memories 12-Inch by 12-Inch Post-bound Sheet Protectors for Scrapbook, Set of 10 10-heavy-duty pvc-free sheet protectors Guaranteed to fit any 3-post album Each sheet protector is super clear and oversized to accommodate any heavily embellished scrapbook page Includes three 1/2-inch extender posts Includes two acid/lignin-free spine spacers