3MMonitor Mount Document Clip, Mounts Right or Left with Command Adhesive, Swings Forward and Back for Easy Viewing and Storage, 30 Sheet Capacity, Black (DH240MB)- Pack of 6

Very cheap product - plastic is the cheap brittle kind and first one we tried broke. It is light but almost too light. Should be maybe made out of a sturdy light silicon. Returned these.

Very useful

I got these to hold my character sheets while I play d20 games over roll20. They adhere well, hold lots of sheets, and swing back out of the way when the games are over. Great deal.