Caravan Hammock Bunk

[Oilcloth]

Please can anyone tell me where I can buy a caravan hammock bunk (the type with two poles joined with canvas) ?
I need an extra sleeping facility in our converted minibus and this would be the simplest solution.
Any suggestions much appreciated. Thanks

 

[RogerL]

Try O'leary Motorhomes https://www.olearymotorhomes.co.uk/

 

[Beachball]

Try Ebay uk