Rubber sleeve is aging, you need to be careful not to tear it. It is an old stock and has a little musty smell. You can put it in the sun for several days to remove it. (some countries in South America need more time). Please request revised invoice when you are finished shopping.I will send you a combined invoice. The item "Air force MIG-21 fighter pilot flight helmet, pull down black sunvisor + BKK-15M" is in sale since Sunday, June 13, 2021. This item is in the category "Collectibles\Militaria\Vietnam (1961-75)\Original Period Items\Hats & Helmets". The seller is "felicia567" and is located in China,shanghai. This item can be shipped worldwide.