Anniversary Pocket Ortho. To celebrate the British Bed Company's first birthday, they have launched a clever new pocket sprung mattress. 3 thick layers of luxury polyesters grace the top of the mattress, with 400grm Highloft Polyester as the icing on the cake for a similar effect to memory foam but without the uncomfortable warmth it is known for. So buy this Anniversary Pocket Ortho Was £199.00 Now £195.00.