MOSISO Waterproof Bike Rack Bag – 12L Rear Seat Trunk Pannier with Shoulder Strap

Quick Overview:
The MOSISO Waterproof Bike Rack Bag is the perfect solution for carrying essentials on your rides. With a 12L capacity, multiple compartments, and waterproof polyester construction, it keeps your belongings safe and organized. Designed with a detachable shoulder strap and reflective strip, it combines comfort, practicality, and safety for every cyclist.

Product Description:
Crafted from waterproof polyester, this rear rack bag protects your belongings from rain, mud, and dust. The main 12L compartment easily holds clothes or daily necessities, while 6 multifunctional side pockets provide organized storage for items such as your phone, wallet, charger, or power bank.

For convenience, the bag includes a flexible shoulder strap (36.2–59.6 in) and a top carry handle, making it easy to carry off the bike. Its 4 Velcro straps ensure stable mounting on any bike rack, even during bumpy rides. A reflective strip enhances visibility at night, increasing rider safety.

Stylish, durable, and multifunctional, this trunk pannier bag is ideal for both daily commuting and long-distance cycling.

Key Features:

• 12L Large Capacity: Main compartment + 6 multifunctional pockets
• Durable Waterproof Fabric: Protects against rain, mud & dust
• Secure Fit: 4 Velcro straps keep bag stable on rough roads
• Comfortable Carry Options: Adjustable shoulder strap & top handle
• Night Safety: Reflective strip for better visibility
• Universal Fit: Compatible with MTB, road & commuter bikes

Specifications:

• Brand: MOSISO
• Material: Waterproof Polyester
• Capacity: 12L
• Dimensions: 15.1 × 6.39 × 6.39 in (L × W × H)
• Strap Length: 36.2–59.6 in (adjustable)
• Colors: Pink, Rose Red, Airy Blue, Red, Royal Blue, Purple, Orange, Olive Green, Turquoise, Navy Blue, Yellow, Space Gray, Wine Red, Sky Blue, Gray

Package Includes:

• 1 × MOSISO Waterproof Bike Rack Bag