These archival-quality sheet protectors are made with trademarked crystal clear PolyGlass poly material by Itoya of America to preserve your binder pages. Available in a 10-pack in the 24" x 18" size from 11x17, the refill pages have a unique rigid spine weld to insert easily into your multi-ring binder. These are portrait sleeves bound on the longest side. Acid-free black mounting paper is included.
We warranty the product for Six (6) months against defects caused by poor craftsmanship, defective hardware or materials. Manufactured Seconds and Custom products may not be refunded, returned, or exchanged.