These are in great shape. No writing on the inside. They Sell for $21 new. They have metal stripping on the bottom to avoid wear (see last pic)

*** Note that there are 6 binders in this lot.  I revised the original listing to sell in smaller lots due to crazy shipping prices on larger boxes, but used the original pictures****.

And now from AI....   

This Bindertek 2 Ring Daily Use Binder is an excellent choice for organizing your important documents. With a sheet capacity of 525, this binder is designed to hold 8.5x11.5 inch sheets. The Ball and Socket Ring and Locking Compressor Bar feature keeps the pages securely in place. The slotted cover and finger hole make it easy to remove or insert pages. The binder is made of high-quality vinyl material and comes in black color. This model is the Advantage Classic and is perfect for use in the office or for personal use.