... , holds 320 photos 4x6 -O ring bound, Refillable Product: 40 PP sheets O ring photo albums with fabric cover;Dimensions( ... , 2.0 mm grey board;Inner sheets: PP inner sheets, 40 sheets, Acid, PVC & Lignin free photo pages;Capacity: holds 320 ... , please contact us freely. We are always here for you. 40 PP sheets O ring photo albums with fabric cover