Here's what other sites are saying:
Decrease boiltime and save fuel when cooking with this light weight aluminium wind screen. Included with the Optimus Nova and Nova+ stoves.
On Sale. Optimus Windfoil Increase efficiency and reduce heat loss when cooking on liquid fuelled stoves and remote burner LP-gas stoves with the light weight aluminium Windfoil by Optimus. FEATURES of the Windfoil by Optimus Fits inside the stuffbag of the Optimus Nova, Optimus Nova+, and the Optimus Stella+ This product can only be shipped within the United States. Please don't hate us.