The symbol you're talking about was actually revised in 2013 to be a solid trian...

		Qub3d on Sept 10, 2021 \| parent \| context \| favorite \| on: California aims to ban recycling symbols on things... The symbol you're talking about was actually revised in 2013 to be a solid triangle around a number instead of the arrows: https://web.archive.org/web/20160126213345/http://www.plasti...