Taste-free construction is BPA-, BPS-, Phthalate-, and PVC-free, and does not have any residual taste or retain flavors Ultralight material collapses and rolls up small enough to fit inside a pocket when empty, making it perfect for travel, camping, or backpacking Can be used as the clean bag when paired with a Platypus GravityWorks, QuickDraw System, or other lightweight backpacking filter Bottle has a stable base and stands up straight when full, while tapered design is easy to use Measures 7.5 x 13.8 in (19 x 35 cm) and weighs an ultralight 1.3 oz (36 g) Made in the USA