Give your event the ‘Wow Factor’ – hire our Retro Rocket Airstream style caravan! Powters subsidiary, Blackboard Catering provides professional catering for parties, weddings and corporate events. We supply the staff and cook the famous Powters ‘Poshdogs’ – gourmet jumbo hotdogs and burgers with home made relishes at your venue or home. ‘It’s the poshest hotdog I have tasted’ – Simon Bates, Bristol