Kleer-Fax Premium K Expanding Wallet with Cloth Tie, Legal Size, Expands to 15 x 10 x 3-1/2 Inches, Case of 25 (54156) Expanding wallet with Tyvek gussets and Mylar reinforcing Flap made from extra heavy duty 17 point Red K material 17 point acid-free manila lined interior panels are archival quality Proudly made in the USA Recycled paper stock contains 10% post consumer waste