Tonic Studios Ringbinder Die Cases, made from durable polyester with a strong zipper, keep all of your favorite die sets safe and in one place, perfectly organized! The Medium Ringbinder Die Case measures 9 in. x 8 in. x 1.7 in. (23 x 20.5 x 4.5 cm) and comes with 6 double sided magnetic sheets measuring 5.8 in. x 5.8 in. (14.8 x 14.8 cm) each. The Large A4 Ringbinder Die Case measures 8 in. x 11.5 in. x 1.75 in. (39 x 28x 4 cm) and comes with 3 double sided magnetic sheets measuring 11.6 in. x 8.2 in. (29.5 x 21 cm) each. Packs of refill pages are also available.