Upgrade or replace your 70 oz (2L) reservoir with the Antidote Reservoir - the ultimate cure for dehydration. Quick-snap cap that tightens in just a quarter turn. Low-profile fit for unmatched stability. Air-light fillport cuts weight. 100% free of BPA and BPS. Full reservoir dimensions: 12.75 x 7 x 2.38 in / 32.39 x 17.78 x 6.03 cm. Materials: Polyurethane.