A piece of Enviromesh and hoops to make make a tunnel of 4.5m length.
The four hoops are 2 metre lengths of flexible plastic to position low and wide, or tall and narrow depending on what needs protecting.
Anadaptable system to prevent attaches from cabbage root fly, carrot fly, onion fly, pea moth, cutworm, cabbage whitefly, leaf miners, butterflies and aphids.
The mesh also offers some protection from harsh weather.
Pauline Pears formerly of Garden Organic says "Cover your brassicas with Enviromesh as soon as you plant them out to keep off pigeons, whitefly, cabbage root fly and cabbage white butterflies all in one go. This is the only sure way to get good, reliable brassica crops".