The three men showing their burlap ticking. The three men showing their burlap ticking.

Burlap is a noun, it doesn't have tenses.

Cedar trees are wrapped in burlap for the winter. The burlap can be unwrapped in the spring. The burlap helps to protect the trees during the cold months.

Burlap is a strong cloth woven from coarse threads.

You can find information on Burlap on wikipedia. You can also buy burlap at places like Joann's or Michael's. Amazon also has reviews and helpful information.