Refill Pages for STC-46, STC-46D, STC-204 and STC-504 Photo Albums 30 Pockets Hold 4x6 Photos Refill for Pioneer Style No. STC-46, STC-46D, STC-204 and STC-504 3-ring bound photo albums 3-up photo album refill holds 30 photos up to 4"x6" Clear pockets with a white paper background Photo safe: acid and PVC free Archival, photo safe: acid, lignin and PVC free