Amazon has the ESR for AirPods Pro Case for 1st and 2nd Gen (Black) on sale for $5.99 - $2.10 off with coupon code 2B8FHNAS at checkout = $3.89 with free shipping on $35+ or with Prime.

Compatible with AirPods Pro 2nd Generation (2023/2022) (USB-C/Lightning Cable) and AirPods Pro 1st Generation (2019).