DoorJamms are made of synthetic rubber and come in a variety of colors.
Available in unmarked for use in private or civilian environments or labled for emergency service use, 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. The product weighs approx. 1 ounce, can be stored nearly anywhere and allows you to carry multiples without being cumbersome.