FANWU Plastic File Folder Poly Envelope Expanding File Wallet Document Folder with Snap Button Closure, Legal Size, 5 Pack Large Waterproof Accordion File Pouch (Assorted Color) Assorted Color industrial Vibration Function Three feedback modes

Vibration Function Three feedback modes : vibration

you get many more years out of your device than a traditional ink pen or pencil

with a plastic box for storage

Useful in any room

and then pair the new units with your old system to easily expand the capability

FANWU Plastic File Folder Poly Envelope Expanding File Wallet Document Folder with Snap Button Closure, Legal Size, 5 Pack Large Waterproof Accordion File Pouch (Assorted Color) Assorted Color industrial Vibration Function Three feedback modesFANWU Plastic File Folder Poly Envelope Expanding File Wallet Document Folder with Snap Button Closure, Legal Size, 5 Pack Large Waterproof Accordion File Pouch (Assorted Color) FANWU Plastic Expandable File Folder Poly Wallets 5 Pack, Legal Size 14. 4''x10. 4'' Expanding File Wallet Large Capacity Poly Pockets Envelope File Folders, with Snap Button Closure and Name Card Slot Thick flexible poly material well made expandable file folders with flap