OtterBox’s Strada Folio. I’ve had two of these and they hold up great! If anything happens, they also have a lifetime warranty. Check it out! Just bought one for my iPhone 11 Pro Max as well.

OtterBox STRADA SERIES Case for iPhone 11 Pro Max - SHADOW (BLACK/PEWTER) https://www.amazon.com/dp/B07W3Q2SVM/ref=cm_sw_r_cp_api_i_KkoWDb0KZVZH2