Hobbymaster Postcard Collecting Binder Page Assortment, 30 Pages in 4, fits Any 3 Ring Binder, Holds 170 Post Cards Organize, display and protect your postcard collection Includes 4 different assorted pages to hold most post card sizes Holds up to 170 postcards Fits any 3 ring binder (binder not included) Archival safe: no acid, vinyl or PVC, U-V barrier added