All-Weather ProtectionCrafted with waterproof materials and reinforced seams, this top tube bag reliably safeguards your phone and essentials from rain, splashes, and moisture, ensuring they remain dry and usable throughout your rides. UV-Blocking SunshadeThe transparent cover is treated with a UV-resistant coating to protect your phone's screen from harmful rays and reduce glare, ensuring clear visibility even under bright sunlight. Secure & Non-Slip AttachmentEquipped with durable Velcro straps and anti-slip backing, the bag stays firmly in place on your bike's top tube, preventing unwanted movement or slippage during intense rides or rough terrain. Optimized for Phone UseDesigned to accommodate smartphones up to 6.5 inches in size, the bag features a touch-compatible window, allowing you to operate your phone, access GPS, or take calls without removing it from the bag. Versatile Storage for Cycling GearIn addition to the dedicated phone compartment, the bag offers organized storage for small items like keys, wallet, energy bars, and bike tools, turning it into a comprehensive cycling accessory for both MTB and road bike enthusiasts.