They have been tested in an aircraft wind tunnel and they have stayed upright in a force 10 gale. Their secret is the bendy panel & the heavy base – the more it blows the more it bends and the less surface area is exposed to the wind.
They have been tested in an aircraft wind tunnel and they have stayed upright in a force 10 gale. Their secret is the bendy panel & the heavy base – the more it blows the more it bends and the less surface area is exposed to the wind.
For every 2 you order, we will automatically add an extra one to your shipment, ie Order 4 & we will add 2 extra, order 6 & get 9