Compatible with Giant Contend SL1 Disc 2020 bikes. Capacity is 2 liters. Please check fit before . sensitivity touchscreen, visor and headphone hole Transparent TPU touchscreen film lets you operate your phone without removing it from the bag. The visor keeps the screen clearly visible in strong sunlight. Includes a headphone hole for listening while your phone remains secured inside. Multifunctional design Two side pockets plus a removable phone pocket provide a 2in1 solution for phone storage and general items. The phone pocket attaches to the of the bag with Velcro for secure placement. The bag sits snug against the bike frame to avoid interfering with pedaling. Large capacity and organization Two side pockets measure 17.5 x 4 x 11.3 cm each, offering ample space for tools, snacks, and other small items. Use scenarios Daily commutes: keep your phone accessible for navigation and calls while maintaining a clean, aerodynamicallylean setup. Longer rides: store essential tools and snacks within easy reach, with the phone pocket securely on . Scenic tours: listen to music or take calls through headphones without removing the phone, while still viewing the screen clearly.