1. Double-Sided Photo Album Refill Pages: Each sheet holds up to 4 photos—2 on each side. Includes 30 pages. 2. Compatible with 6-Ring A5 Binders: These photo sleeves feature 6 punched holes and measure 6.1 x 7.6 inches, with pocket dimensions of 3.5 x 5 inches. Designed specifically for standard 6-ring A5 binders. Not compatible with A4, A6, or 3-ring A5 mini binders. 3. Premium Quality: Made from durable, archival-safe polypropylene using ultra welding. Tear-resistant, non-toxic, PVC-free, and safe for photographs. 4. Ultra-Clear and Protective: Transparent pages allow clear visibility without removing photos. Waterproof and dustproof pockets help preserve photo quality. 5. Top-Loading Design: Easy insertion and removal of photos. Photos remain securely in place when the sheet is kept flat or upright.