Tribe Azure Fair TradeWomen's Shoulder Bag Woven Handmade Cross-Body Hobo Sling Casual, Large, Black/White

Is this machine washable?

IS the strap adjustable?

Does the zipper completely close the bag? Is it constructed to carry some weight for hauling extras with you or will strap rip from the weight?

Will a 2 1/2 inch binder fit with some notebook?