2005 — Rhonda Bodfield Bloom, "It's a pupperware party", Arizona Daily Star, 2 October 2005:
Basset hounds, to be precise, including Scarlet the mad licker, and Scooter, who's demonstrating his lung power. They're the beneficiaries of a "pupperware party" that puts a new spin on the old Tupperware standby.
2006 — "In-home sales parties extend a paw to pets", The Detroit News, 22 April 2006:
At a pupperware party, a pet consultant comes to your home and shows you and your guests a bevy of pet products available for purchase.
2006 — Valerie Finholm, "Direct Sellers Know: Home Is Where The Mart Is", The Hartford Courant, 19 May 2006:
That's because pet products are sold at "pupperware" parties -- officially known as Shure Pets parties.
2007 — Carol McAlice Currie, "Pet product parties are all the rage", Statesman Journal, 25 May 2007:
Known informally as pupperware parties, they're gaining in popularity because Haines and others, like Bonnie Duncan of Gladstone, travel to people's homes to show off lines of pet products.
Traditionally, at-home parties have been a way for smaller companies peddling everything from cosmetics to sex toys to pet products (sometimes called pupperware) to start racking up sales without having to maintain the inventories.