Ibera Bicycle Side-Mounting Pannier Set, Bike Panniers with Multi-Compartments, Slit on Top to Mount on Smaller Racks&nbsp; Top Flap Design - Top flap Covers half of the bag to protect any valuable items stored in the main compartment from the elements. Large Capacity with Muti-compartments  28L Large compartments with outer zippered pocket for additional small items like a phone, wallet, mini pumps, etc. Rigid Back Panel with Reinforced Base - With reinforced sides, carrying large or heavy items becomes quick and easy. Compatible with Most of Bike Carriers - A slit on the top middle section of the panniers allow cyclists to mount onto smaller racks without needing to purchase a smaller pannier set. Handy Carrying Handle - With a handy carrying handle, it is easy to take off from the bike rack for off-road use.