Amazon.com: Vitodo for Samsung Galaxy Z Fold 4 Case with S Pen Holder & Camera Cover, Luxury Leather Wallet Phone Cover Built-in S Pen Slot Kickstand Function Camera Protection Shockproof Full Protection (
Amazon.com: SUPCASE UB Pro Series Case for Samsung Galaxy S21 Ultra 5G(2021 Release) Without Built-in Screen Protector, Full-Body Dual Layer Rugged Holster & Kickstand Case with S Pen Slot (Black) : Cell
Unlike the Galaxy S22 Ultra, Fold 4 not expected to feature S Pen slot - PhoneArena
Ultra-thin Matte Holder S Pen Slot & Capacitive Pen Phone Case With Ki – customizecase
Pelikan Collector's 24-Slot Pen Box
Stylus S-pen Socket Pen Slot Case For Samsung Galaxy S21 Ultra Nillkin Aoge Leather Back Cover With Pocket Holder - Mobile Phone Cases & Covers - AliExpress
LPT: Remember to twist up a paper towel and clean out your S-Pen slot occasionally. Slides in and out like brand new afterwards. : r/samsung
Artist 22R Pro Large Professional Drawing Tablet Monitor | XPPen