
This DoorJamm is unmarked for use in private or civilian environments. Easily control access to spaces with a DoorJamm and prevent lockouts. Stay in compliance with workplace policies that require closed doors for health and safety, climate control and hygiene. It is versatile, stretches over 200% its original size, reusable, easy to carry, weather and chemical resistant. The DoorJamm will withstand temperatures as hot as 212 Degrees Fahrenheit and as cold as -40 Degrees Fahrenheit. This product weighs approx. 1 ounce, can be stored nearly anywhere and allows you to carry multiples without being cumbersome. It could be used in industrial settings wherever you might use a wedge or other device to keep a door from locking. We've heard from delivery teams, plumbers, electricians, janitorial, housekeeping and maintenance workers that DoorJamm works for them too! DoorJamms are made of synthetic rubber in the USA.