The mark consists of gray ribbon in front of a shield; the word "FORTRESS" in black is printed on the gary ribbon; there is a white outline on the purple ribbon surrounding the word "FORTRESS;" the shield is outlined in silver, black, purple; the background of the shield is lined to mimic a brick wall with green at the bottom, the word "WARRANTY" is written on the shield underneath the purple ribbon and "ROCK SOLID" is under the shield in the green bottom; at the bottom center of the shield is a graphic of a white lock.
The color(s) white, green, purple, silver and gray is/are claimed as a feature of the mark.