- Constructed from high-quality EVA hard shell material, this bag offers excellent impact resistance, pressure-proof capabilities, and waterproof protection, keeping your valuables safe and dry even in wet conditions or on lengthy trips. - Choose between 4L (large) and 3L (small) sizes to suit your storage needs. It conveniently accommodates essentials like phones, keys, wallets, and other small items, enhancing your riding experience. - Features multiple Velcro straps that ensure easy and secure attachment to your vehicle. The bag remains stable throughout your journey, preventing any shaking or accidental detachment. - Designed specifically for e-scooters, folding bikes, and balance bikes, this bag is perfect for daily commutes, weekend adventures, or any outdoor rides. Use scenarios: 1. Commute to work: Easily store your phone and wallet while navigating through city traffic, knowing your belongings are protected from rain and bumps. 2. Weekend getaway: Pack your essentials in the spacious 4L bag when biking on scenic trails, ensuring everything stays secure and accessible. 3. Shopping trips: Attach the bag to your scooter or bike and protect your purchases from rain while keeping your hands free. Stay organized and secure on every ride with this versatile and durable storage solution.