Product Details: Brand: ROCKBROS Material: 600D Polyester + TPU Lamination Weight: ≈226 g Capacity: ≈4 L Color: Blue Dimensions: approx. 32.5*13 cm; includes 1 strap (30*2 cm) WATERPROOF: Seam-sealed construction + full TPU lamination creates professional waterproof protection. Your belongings stay dry even in heavy rain. 4L CAPACITY: The extended design offers more storage space. Bottles, tools, etc., fit easily inside, making it suitable for commuting, short trips, and bike tours. TWIST-LOCK SYSTEM: Forget hook-and-loop straps (which snag and lose grip) and buckles (which can loosen easily). Our handlebar bag is simple to install, remains stable on bumpy paths, and provides a precise fit for road bikes, MTBs, gravel bikes, etc. ROBUST AND TEAR-RESISTANT: 600D polyester combines abrasion resistance with low weight. Eco-friendly TPU resists aging and remains shape-stable in cold conditions. Your reliable companion for long-distance tours. PRACTICAL DETAILS: Side mesh pocket for easy one-handed access, clear viewing window for quick content checks, integrated reinforcement plate for shape-stable support.