MHNAVAY 50-Pack 35mm Film Negative Storage Sleeves with Binder Box, Acid-Free Protector Pages for 135/35mm Negatives, Durable Archival Organizer Kit

Archival-Grade Protection Acid-free film storage box with dustproof sealing guards precious 35mm/135 films. durability prevents bending/fading (12.9""x10.6""x1.7""). Each sleeve holds 7 strips (42 frames) with scratch-resistant PP coating. Smart 3-Ring Organizer C-slot sleeves + 3-ring binder enables instant archiving. Rounded corners prevent snagging, reinforced buckle ensures smooth open/close. 50% faster workflow vs traditional albums. 100-Sheet Mega Capacity 50 premium polypropylene sleeves (expandable to 100) + PU leather binder. Store 4200+ frames in one box—ideal for photographers/archivists. Waterproof design withstands humidity. Museum-Quality Materials Lab-tested PU exterior (IPX4 waterproof) + 0.15mm crystal-clear PP sleeves. 100% chemical-free, blocks UV light, prevents yellowing/stains. Passes archival standard. Product Includes The product includes 50 acid-free 135 film bags, and one film negative album.30-day refund + free replacements for damaged items.