Santic Xc Foldable Lightweight BackpackA portable and comfortable drawstring backpack for biking with ample storage. Made with a waterproof fabric, this conveniently sized pack shrugs off the worst of the weather. 15L capacity for daily essentials with an external drawstring that can be used for sealing. One external pouch for water bottles or other accessories with an integrated mesh collar to ensure your cargo stays put on the trail.