The line officially launched with Miss Piggy's Kate appearance in Kate Spade's webseries #MissAdventure. “To the top” features Miss Piggy and Zosia Mamet in the elevator at the Empire State Building.
Since the initial announcement, a few items have been added to the line including this $98 Miss Piggy keychain. No that's not a typo. A $98. Miss Piggy. KEYCHAIN.
and this $378 tote bag (presumably $98 of that is for the keychain):