For those looking to carry a bit more, the Large Seat Bag is designed with an expandable zip below to allow more room when needed. Large enough to hold two tubes, multi tool, energy bar, and other essentials.

• Slim profile designed to fit under bike seat
• Polyurethane coated, 600D polyester main body fabric
• Expandable zipper for additional storage
• Easy attach hook and loop
• Dimensions: 15 x 12 x 9 cm
  
• Volume: 0.3L