Product Description
Aerodynamic shape cuts wind resistance. Shock-absorbent EVA hard shell protects your gear. Expands from 23L to 35L — fits a full-face helmet easily. Ride further, carry more.

Product Features
📦 Expandable 23L–35L Capacity: Compact for daily commutes. Expand to fit a full-face helmet or weekend trip gear. One bag, two sizes.
💧 Waterproof Inner Bag (PU6000mm): Thermally sealed seams lock rain out. Your gear stays bone dry — even in downpours. 🌧️☔
🏍️ Universal Fit for Most Bikes: Concave bottom design hugs rear seats securely. No wobble, no sliding. Stable at any speed.
🛡️ Shock-Absorbent EVA Hard Shell: Protects against bumps, drops, and vibration. Your helmet and electronics stay safe.
💨 Aerodynamic Streamlined Shape: Reduces wind resistance. Less drag means better fuel efficiency and quieter rides.
🔧 Easy Mount & Go: Secure straps in seconds. No tools, no drama. Hit the road faster.

Product Specifications
- Capacity: 23L (contracted) – 35L (expanded)
- Material: Shock-absorbent EVA hard shell
- Waterproof Rating: PU6000mm inner bag with sealed seams
- Fit: Universal for most motorcycle rear seats
- Design: Concave bottom for stability, aerodynamic shape
- Use Cases: Daily commuting, weekend touring, everyday carry

What's Included in the Box 📦
- 1 x Expandable Motorcycle Tail Bag 🏍️
- 1 x Waterproof Inner Bag (PU6000mm) 💧
- 1 x User Manual 📄