2.1 oz - 60 g 1L Water Container The Vesica is a collapsible, reusable and light water bottle that behaves like a hard bottle for easy drinking on the move. Simply carry 1L of water and stow away when empty. Description CNOC has taken their experience from the Vecto and made a robust, light and easy to use bottle so you can have a handy tool to stay hydrated. Featuring a collapsible body with a stiff neck and bottom, the Vesica can stand when full with water or air, held for drinking and collapsed when empty. Using 42mm or the same universal 28mm thread as the Vecto, the Vesica can be used as a dirty water bottle for filters like Sawyer or HydroBlu. If you like to filter into a container for easy drinking, use the Vesica with the Vecto to create a fast, light, and easy to use filtering system. Learn how we use two Vectos with a Sawyer Squeeze to create a gravity filter here . Features Packable and easily stashable when empty Attaches to filters with a 28 mm thread, such as the Sawyer Squeeze, Mini, or Micro, the LifeStraw Flex, and the HydroBlu Versa Flow 42mm Vesica can be used as a dirty water bottle for filters like the BeFree by Katadyn Easy to fill and simple to clean and dry due to the wide opening Lightweight at only 60g for a 1 liter bottle Tethered cap and slider Robust and durable utilizing a thick 0.4mm TPU FDA approved and BPA, BPS, and BPF free Top string near the cap for easy pull from side pockets Specifications Capacity: 1 liters / 32 oz Packed size: 4x2.9x2.9 in / 10x5x5 cm Trail size: 10x2.9x2.9 in / 25.5x5x5 cm Weight: 60 g / 2.1 oz Made from FDA approved TPU BPA free Operational temperatures: 20°F (-6°C) to 120°F (49°C) Made in China