Woot offers PowerA Slim Case for Nintendo Switch 2 for $9.99 (reg. $19.99) free shipping with Amazon Prime.  

Product Description:
Take your Nintendo Switch 2 system on the go with this officially licensed protective Slim Case from PowerA™. Inside, you’ll find a soft fabric lining and built-in play stand with storage for up to ten game cards. When the system is inside the case, the built-in play stand doubles as a padded screen protector to help keep your screen scratch-free. This portable case gives you the freedom to have fun on the go with your Nintendo Switch™ 2 system. Wherever. Whenever. *Nintendo Switch™ 2 system and game cards not included.