The Flyook bum bag for women is designed as a crossbody sling purse with a clear pocket layout and defined structure. The main body measures 25 × 8.5 × 22.5 cm, providing space for everyday essentials without excess bulk. A front zipper pocket sized at 25.5 × 14 cm offers easy access for smaller items, while the main zipper compartment includes internal mesh pockets for separated storage. The hidden back zipper pocket (24 × 15.5 cm) adds an additional compartment positioned close to the body. The adjustable strap ranges from 77 cm to 135 cm, allowing the bag to be worn as a crossbody bag, sling bag, or shoulder pack depending on preference. Pure colour versions are made with smooth nylon fabric, while printed checkered versions use polyester fabric. This bum bag crossbody bag for women fits daily routines, commuting, and short trips with a simple and practical design.