The pods – which got their name Sarco as an abbreviation for sarcophagus – are portable devices that can be operated by users from the inside and work by reducing internal oxygen levels.

Source: https://www.dailymail.co.uk/sciencetech/article-12413791/Inventor-dubbed-Dr-Death-says-controversial-3D-printed-coffin-like-suicide-capsules-used-time-YEAR-pro-life-groups-warn-contraption-glamorizes-suicide.html?ns_mchannel=rss&ns_campaign=1490&ito=1490