We are absolutely thrilled to have been awarded three Which? Best Buy Awards for our Orchid, Millennium and Royal Sovereign mattresses from within our Signature Bed Collection - a bed industry first! Which? is the largest consumer body in the UK, known for testing household products to help their subscribers make informed purchasing decisions by recognising standout products with ‘Best Buy’ status. As we spend a third of our lives in bed it is critical that the mattress chosen, will deliver quality. For Dunlopillo to.