ROCKBROS Waterproof Frame Bag for Road Bikes, Large Capacity, Triangle Top Tube Bag with Strap Closure, Easy Installation, 3L/5L Capacity

[Large Capacity] The bag's large capacity is enough to carry a two-day trip. It can hold a lot of gear, including clothing, maintenance supplies, and food supplements, without rubbing against your knees, making for a more comfortable ride! [Excellent Rain Protection] Seamless technology makes this frame bag completely waterproof, protecting your belongings even on rainy days (although prolonged heavy rain is important). The TPU membrane is soft and abrasion-resistant, making it easy to wipe away oil and water. [High Stability] The frame bag features five Velcro straps for a secure fit and reduced shaking while cycling. The wider straps (3.5cm) ensure a more stable ride. (Note: The S size has four Velcro straps.) [Convenient Access] The zipper is located on the side, providing a large surface area for convenient access. [Specifications] S (New model): Size: Approx. 40*12.5*6cm, Weight: Approx. 195g S: Size: Approx. 30*19*6cm, Weight: Approx. 180g L: Size: Approx. 40*23*6cm, Weight: Approx. 276g