Second Class Mail -- Film Description:
"Second Class Mail is a witty yet poignant study of loneliness in old age. We first see the unnamed female protagonist going out on what looks like a typical shopping trip, which turns out to be a furtive trip to send a letter to 'Plain Brown Packets Ltd' of Soho. The package duly arrives, and turns out to be an inflatable man [...]."
-- British Film Institute

Source:
British Film Institute. "BFI Screenonline" British Film Institute. http://www.screenonline.org.uk/.