The Marc Jacobs 3D Vitamin Pill Crossbody Bag with Matching Keychain is a stylish and functional accessory designed for women. The cylinder-shaped bag features a solid black and white exterior with silver hardware accents, giving it a modern and trendy look. The zip closure and crossbody strap handle make it convenient for casual occasions, while the fabric lining and inner pockets provide practicality. The keychain accessory adds a unique touch to the overall design, making it a must-have addition to any fashion-forward wardrobe.