BROKIGMen's 5" Gym Bodybuilding Workout Shorts Running Lightweight Short with Zipper Pockets

Are they machine washable/dryable like my other exercise gear or do they require hand wash only like swimwear?

Hi there! I am 5'8', slim with a 29/30" waist. What size should I get?

I’m 5’11” 190 lbs with a 34 waist. Athletic build. What size would be best?

Do these shorts have 3 pockets?