These are tailored waterproof rain covers that will fit perfectly your Arkel bag (no flapping).

• Keep your panniers dry and clean.
• Easy to pack and fold thanks to its feather light waterproof fabric made of Silicon Coated Ripstop Nylon.
• Adjust perfectly to your bag with an elasticized drawstring.
• Protects panniers from sun fading. 
• Extend your bags' life.