Micro Pen: Tiny Portable Pen that Fits in Your Wallet

Allett Micro Pen, Slim Wallet Pen, Ballpoint, Stainless Steel & Replaceable Ink Cartridge, Durable & Fits Pocket, Purse, Planner or Passport

EDC Notepad Pen Elastic Pocket Organizer - Active Pro Gear

NeedlePen™ - Minimalist EDC Pen – MICROCARRY™

Allett Micro Pen, Slim Wallet Pen, Ballpoint, Stainless Steel & Replaceable Ink Cartridge, Durable & Fits Pocket, Purse, Planner or Passport

The Nano Variable Mini Vape Pen 650 Mah - O2VAPE

MINI Battery + Full Gram Cart

Best Rollerball Pen: The Ultimate Writing Tool - Dayspring Pens

This EDC notebook is the size of a credit card and fits in your wallet - The Gadgeteer

Wallet compatible micro-pens: writing on the go

Wallet compatible micro-pens: writing on the go