Brand: ROCKBROS Material: Bag made of polyester, buckles made of nylon Capacity: approx. 13.5 L before expansion, approx. 24 L after expansion Dimensions: approx. 26 × 22 × (28–50) cm Weight: approx. 410 g Color: Green WATER-REPELLENT & DURABLE: Robust, scratch-resistant polyester with an interior lamination provides reliable protection against water splashes and light rain. Ideal for commuters, weekend trips, and outdoor tours. EXPANDABLE VOLUME 13.5–24 L: Ample space for a laptop, change of clothes, shopping, or everyday essentials. The large drawcord opening allows quick access to your belongings – practical on the go. UNIVERSALLY COMPATIBLE: Fits on e-bikes, road bikes, trekking bikes, or folding bikes. Suitable for drop bars, flat bars, or folding bike handlebars – a versatile solution for all handlebar types. EASY MOUNTING & VERSATILE USE: Mounts to the handlebar or rear rack using adjustable hook-and-loop straps. The detachable, adjustable shoulder strap instantly transforms the bag into a shoulder bag or crossbody bag. REFLECTIVE SAFETY DETAILS: Visible reflectors on the front and sides enhance visibility at night or in poor lighting conditions, ensuring you remain clearly seen at all times.