Edited September 6, 2021
at 11:04 PM
I'm a long time buyer, first time poster, so be kind.
Amazon has a Silicone Case made by Apple for iPhone 11 Pro for $13.99. It looks like black is the best deal for $13.99 across all 11 models. They have white for a bit more and the rest of the colors seem to be the normal price.
Apple Silicone Case (for iPhone 11 Pro) - Black https://www.amazon.com/dp/B07XL5S...18NEKJCQW6
They also have others on sale too.
Apple Silicone Case (for iPhone 11) - Black https://www.amazon.com/dp/B07XQSJ...1WS5A60W97
Apple Silicone Case (for iPhone 11 Pro Max) - Black https://www.amazon.com/dp/B07XQYN...1YBWMSCGGE
More pricey but still worth it.
Apple Silicone Case with MagSafe (for iPhone 12 Mini) - Black https://www.amazon.com/dp/B08L5PZ...J3Y3127331
Apple Silicone Case (for iPhone Xs Max) - Black https://www.amazon.com/dp/B07H9QC...NW54WY9X9V