Here is a very unique case from E-Tree for iPhone 7/8/Plus, iPhone X/XS, iPhone XS Max, and iPhone XR that is really cheap and never gets scratched for a lifetime. The case has a very flexible TPU material that fits perfect on your iPhone. Also, the look of this case is so great that it looks like a $50 premium case.
You can grab it for just $6.49 after you clip the on-page coupon on Amazon. For iPhone XS Max owner, use promo code 35U3XJ2C at checkout to get the discount.
From the Product Page:
Compatible with Apple iPhone
Air cushion technology, Soft corner material is better able to absorb shock.
Featured with Tactile Buttons, Precise Cutouts and Raised Lips to Protect Screen and Camera.
Wireless Charging Supported
Lifetime Warranty: E-Tree comes with convenient lifetime warranty and wholehearted customer service for this iPhone case, making your purchase absolutely risk-free.