This refill is for Pioneer Style No. PMV-206 screw post bound photo albums. It contains 10 pages (5 sheets) and features quality clear plastic overlay that self-adheres to pages, securely holding photos. The refill's extra large 11.375 x 11.75 inch pages hold many size photos including 2.5 x 3.5 inches wallet, 4 x 6 inches, 5 x 7 inches, 6 x 8 inches, 8 x 10 inches enlargements and more. Photo safe: acid, lignin and PVC emission free.