Every morning, bleary-eyed baristas begin setting up their shops and stands, firing up machines, brewing and preparing caffeinated elixirs, preparing for the morning rush of customers.

A typical cafe will go through hundreds of cups and lids on a single morning, amounting to 16 billion disposable coffee cups getting used every year; nearly none of them are recyclable, as paper cups come with a plastic lining. While some chains—whose outlets make up the lion’s share of the over 35,000 specialty cafe outlets in the US—are working on less-bad versions of the to-go cup, the best and most sustainable way to drink your caffeine fix is from a quality reusable container. Drinks stay hotter for longer, and a single reusable vessel has the potential of diverting hundreds of cups from landfills and oceans.