Calvin Klein Black Polyethylene Shoulder Men's Bag. Adjustable Shoulder Strap, 1 External Pocket, 1 Internal Pocket, Zip Closure, Print, Logo. Brand: Calvin Klein. Gender: Men. Material: 100% Polyethylene. We guarantee 100% authenticity on all of our products, ensuring that you receive exactly what you're looking for. For a more comprehensive understanding of the item, please take a close look at all the provided images, as they offer complete product details and important features.