The rear bag is made of lightweight yet durable, water repellent and fade-resistant material. The waterproof structure of the bag protects your items from dirt and rain. Material: Polyethylene/Nylon; Waterproof Performance: 3.9 ft (10,000 mm); Waterproof inner bag included; Maximum load: 11.2 lbs (5 kg); Comes with a rear light clip holder made by Topeak; Size: L26.4 x W11.4 x H7.1 inches (670 x 290 x 180 mm); Capacity: 15 L); Weight: 15 g); Product color and size; Product color may differ from the actual product depending on your display type. Product specifications, logo design, etc. may be subject to change for product improvement. We also cannot answer measurements or personal fit that the manufacturer does not announce. Please be aware of