Border Control can be cut to fit almost any situation.

Corral work zones. Keep insects from crawling away and infesting other areas.
Monitor any area and quickly see where the trouble spots are.
Protect sensitive product. Encircle pallets or shelves, and then see what tries to enter, or exit.
Slide Border Control under pallets, or inside the fork-slots; tape to a thin sheet of plywood or panelling.

Sold in rolls of 20m (60ft) in either 15cm (6″) or 30cm (12″) widths.