Beta Backpack 20L Photography Backpack, Lightweight Camera Bags Large Capacity Camera Case with Rain Cover for 15.6 Inch Laptop, DSLR Cameras (Orange)
SKU: KF13.087AV1
A
It is "waterproof". I wore it in Alaska in a light rain with no problems.
A
I'm not sure but I carried a Nikon D3300 and 2 lenses and a few other accessories in it.
A
In any case. I just packed a 15" x 10" x 2" laptop with a 15.6" screen into the compartment. Your sleek and slim Macbook will definitely fit.
A
I've taken this suitcase on a plane as carry-on luggage several times with no problems. It's a great suitcase.