C.R. Gibson 4 x 6 Pocket Refill Sheets (K85) Each sheet holds ten 4 x 6 Inch photos Pocket Page Refill comes with 5 sheets Extension posts included Refills are acid-free and PVC-free Measures 12 1/2 x 12 1/2" ,For 135 years, families have been depending on C.R. Gibson to protect their treasured memories.