FoodBozo.com

This one-of-a-kind coffee shop in Tukwila, Wash., is made entirely out of recycled material.

You’ve heard the popular refrain that Starbucks is everywhere. There may be some truth to that — the massive coffee retailer has even set up shop in a shipping container.

The now-one-of-a-kind drive-thru/walk-up Starbucks coffee outlet off Interstate 5 in Tukwila, WA, which opened Dec. 13, is constructed from four modified shipping containers, including one 20-foot container and three 40-foot containers.

Read more: Starbucks Now Served in a Cargo Container

Some materials are fine in the microwave and some aren’t (see below). And then there’s plastic. You’ll find experts who say no plastic containers should be used in the microwave—ever. “The material contains chemicals that may leach into food when it’s heated,” says Olga Naidenko, Ph.D., a scientist with the Environmental Working Group, a health-research organization.

Read more: Which Food Containers Are Safe for the Microwave?