I found a perfect case for an extra joy-con set! : r/NintendoSwitch
Dockable Clear Case for Nintendo Switch, Clear Protective Case Cover for Nintendo Switch and Joy-Con Controller a Switch Tempered Glass Screen Protector and Thumb Stick Caps, Crystal Clear - Walmart.com
eXtremeRate Soft Touch Grip Light Cream Joycon Handheld Controller Housing w/ABXY Direction Buttons, DIY Replacement Shell Case for Nintendo Switch & Switch OLED Joy-Con – Console Shell NOT Included - Walmart.com
Amazon.com: Ferkurn Switch Joycon Cover Case Joy Con Cover JoyCon Grip Cover Protector Switch Controller Cover Case Joy-Con Skin Joycons Skin Shell with 4 Switch Joycon Silicone Grip Cover Thumb Grip Joystick
Nintendo Switch Case Cartoon Anime Cute Dockable, Hard Shell Protective Full Body Case, Cover for Joy-Con Controller, NS Console Switch Accessories Conque GMYLE (Pokemon B) - Walmart.com
My Melody Inspired Switch OLED Joy-Con Case with screen protector – PeachyBaby
PlayVital Matcha Green Back Cover for Nintendo Switch Console, NS Joyc – playvital
Protective Case Compatible for Nintendo Switch Joy-Con Controller with Thumb Caps, SENHAI 2 Pack Anti-slip Silicone Grips Covers with 16 Thumb Stick Pads - Black, Blue + Red
For Nintendo Switch Splatoon 3 Joy-Con Controller Silicone Case Cover | eBay
Amazon.com: OSTENT Crystal Clear Hard Cover Case Guards for Nintendo Switch Joy-Con Controller : Video Games
Amazon.com: eXtremeRate Transparent Clear Joycon Handheld Controller Housing (D-Pad Version) w/Full Set Buttons, DIY Replacement Shell Case for Nintendo Switch & Switch OLED Joy-Con – Console Shell NOT Included : Video Games
Joy Con Silicone Case Switch | Switch Joycon Silicon Cover | Shell Joycon Switch White - Accessories - Aliexpress
Nintendo Switch Joycon Grip and Game Case - Etsy
CYBER · Controller Storage Case for Nintendo Switch Joy-Con for Nintendo Switch
Amazon.com: eXtremeRate The Great Wave Patterned Joycon Handheld Controller Housing with Full Buttons, Soft Touch DIY Replacement Shell Case for Nintendo Switch & Switch OLED Joy-Con – Console Shell NOT Included :
Nintendo Switch Joycon Grip and Game Case - Etsy
Amazon.com: FANPL Glitter Case for Nintendo Switch & Switch OLED Joy Con, Sparkly Clear Joy Con Protective Cover with Ergonomic Design, Soft Jon Con Controller TPU Shell Comfortable, Easy Installation : Video
Insten Protective Silicone Joy-con Skin Case, Black : Target