Global Best Discount via Amazon offers Prime members the QZUnique Transparent Cross-Body Messenger Shoulder Bag in several colors (Black pictured) for $15.99. Coupon code "ORJ3EU3J" cuts the price to $11.99. With free shipping, that's $28 off list and the lowest price we could find. This waterproof bag measures approximately 9" x 3" x 5". Deal ends November 1.

A few other colors are available for $16.99 before coupon, $12.74 after.