4liter spacious compartment with a well organized interior for quick access to daily essentials such as phone, wallet, keys, and tools. Designed for outdoor use and waterproof to protect contents. Multi functional convenience for commuting, traveling, or leisure rides. Suitable for a variety of riding tools including electric scooters and balance cars. Durable hard shell provides protection against shocks and damage during rides. Built for long term use to keep belongings safe. Tool installation with an adjustable mounting strap. Easy to attach and remove and fits various handlebar sizes. Includes a rainproof front storage pouch and doubles as a portable cycling organizer. Compatibility and scope: waterproof scooter bag and handlebar bag compatible with electric bikes; suitable for electric scooters handlebar bags. Use scenarios Daily city commute: store phone, wallet, keys, and small tools for quick access during rides. Weekend ride or travel: keep essential items organized and protected while exploring. Unpredictable weather rides: rely on the hard shell and rainproof pouch to keep contents dry.