The Big Daddy 2 bike rack bag by BiKASE comes with a large main compartment with a seam-sealed liner, making the internal bag waterproof and drop down panniers on each side, adding extra storage for when needed! The Big Daddy 2 bike rack bag fits on all standard size rear bicycle racks using 4 straps to keep the bag tight and secure! - RF seam sealed internal liner - waterproof zipper on main storage compartment - water bottle/drink holder that will fit multiple size bottles - bungee net on top for added storage - drop down expandable side panniers - shoulder strap included - reflective accents - designed to fit most racks - dimensions: 13" x 9" x 8" (with panniers) - 1400 cubic inches, includes panniers

- The bag is made of water-repellent polyester. - The capacity is 7 litres, but can be extended to 15 litres thanks to various expandable compartments. - The reflective details make you more visible. - Equipped with a pre-assembled MIK adapter plate. - Suitable for MIK luggage carriers or MIK carrier plates (sold separately). - Perfect for an E-bike!