Prehistoric Bog Oak Bench, dug from 'The Black Fen', Norfolk. 19mm toughened glass. Length 76" Bench 2 Sycamore Arch Bench, cut from a concave tree trunk grown at Geddington, Northamptonshire. 50mm plexiglass Length 82" Ancient Bog Oak Bench, dug from Conington Fen, Cambridgeshire. 25mm plexiglass Length 69" Beech/Bog oak Bench, 96" - Indian Ebony and Bog Oak Bench, 72" length