Product Details: Brand: ROCKBROS Material: HDPE (High-Density Polyethylene) Volume: approx. 0.9 L Weight: approx. 66 g Color: Black-Green Suitable for: Road Bike, MTB, Folding Bike Product Description: Durable HDPE Material: The top tube bag is made of HDPE, which is water-resistant and tear-resistant. Note: Seams and zippers are not waterproof; please avoid prolonged rain or submersion. The material is scratch-resistant and easy to clean – dirt can be easily wiped off with a damp cloth. 0.9L Sleek Design: The narrow, elongated shape reduces air resistance and prevents contact with the legs while riding. The 0.9L volume provides space for a phone, keys, a mini pump, or bike lights. 66g Ultra-Lightweight: Weighing only about 66g, the bag adds minimal weight while riding and does not burden the rider. Easy and Stable Mounting: Three adjustable straps ensure secure fixation to the frame. The bag stays stable even on uneven paths. Tool-free, quick installation. Customizable: The bag features a hook-and-loop panel for attaching personal patches or reflective stickers. Fits road bikes, MTBs, folding bikes, and other common bicycle types – practical and versatile.