Bicycle Frame Bag Cycling Bag Waterproof Top Tube Pouch Road Bike Bag Smartphone Storage Bike Front Lightweight Product Details Thank you very much for viewing. This product is a frame bag that can be securely fixed to the top tube and head tube. With a slim design that considers aerodynamic performance, it minimizes interference with pedaling and handling. It can be attached in a position that is easily accessible even while riding, allowing you to take things in and out without stopping. Inside, it has enough capacity to store smartphones, tools, portable pumps, energy bars, etc. It uses a water-resistant zipper, protecting the contents even in bad weather. In addition, the outer material uses durable and water-repellent nylon and polyurethane, making it a specification that can withstand hard rides. ■ Size: Total length approx. 19cm x height approx. 8cm x width approx. 5cm ■ Material: Water-repellent nylon, polyurethane ■ Features: Water-resistant zipper, aero shape, easy to attach and detach without tools