The MyCase Feather for iPhone 11 Pro Max (2019) 6.5 is a protective phone case designed to fit the iPhone 11 Pro Max model released in 2019. The case comes in a color variant called "Black Knight," 

Here are some key features and aspects you might expect from the MyCase Feather iPhone 11 Pro Max case:

1. Slim Design: The "Feather" branding suggests that the case is designed to be lightweight and slim, adding minimal bulk to your iPhone 11 Pro Max.

2. Material: The case is likely made from a durable and flexible material that provides protection against scratches, minor drops, and everyday wear and tear.

3. Precise Cutouts: The case should feature precise cutouts for all ports, buttons, camera, speakers, and other essential functions of the iPhone 11 Pro Max. This allows easy access to all features without needing to remove the case.

4. Easy Installation: The case is probably designed for easy installation and removal, so you can quickly put it on or take it off as needed.