time due to its hygroscopic properties. Following a suggestion by packaging manufacturer William T. Robson O.B.E, a new barrier material of foil backed paper was adopted by Mackintosh to overcome the problem in 1967. 'Robson Wrap' was a huge success and became a signature of the brand after being rolled out in one variation or another to several different flavours. On 15 August 2013, the My Green Bar became available from Nestlé, which consisted of four original green noisette pâté triangles held together by milk chocolate. This was also available in My Purple Bar. Discontinued varieties Purple One (the original 'Purple One' with Brazil nut, replaced with hazelnut version) Chocolate Strawberry Cream (now replaced with Strawberry Delight) Chocolate Toffee Cup (now replaced with Caramel Swirl) Hazelnut Cracknell (red wrapper) Hazelnut Éclair Honeycomb crunch (Discontinued in 2018 to re-introduce Toffee Deluxe) Chocolate Nut Toffee Cream Malt Toffee (replaced with Toffee Deluxe as a "new" flavour) Milk Chocolate Round (now replaced with Milk Choc Block in green wrapper) Peanut Cracknell (blue wrapper) Almond Octagon (purple wrapper, replaced with Vanilla Octagon, but the latter is now discontinued as well) Gooseberry Cream (green wrapper light green fondant with a touch of Gooseberry Preserve covered in milk chocolate) Fig Fancy (light brown wrapper) Apricot Delight (blue wrapper, square chunk, apricot flavoured jelly covered in milk chocolate) Toffee Square (metallic pink wrapper, a small square of very hard toffee) Chocolate Truffle (brown square chunk, a soft truffle filling covered in milk chocolate) Montelimar Nougat Harrogate Toffee Fruits of the Forest Creme (pale purple wrapper) Smarties (ordinary cardboard box of Smarties, a 2004 promotion only) Coffee Cream (brown wrapper, same size and shape as the strawberry cream) Mint Fondant (pale green wrapper, same as strawberry crème but with a mint crème filling) Toffee Deluxe (replaced by Honeycomb Crunch, reintroduced and then replaced by Chocolate Caramel Brownie) Crispy Truffle Bite (John Lewis stores only, black and gold recyclable foil) Chocolate Caramel Brownie (cyan wrapper) Discontinued in 2021. See also Heroes (confectionery) Cadbury Roses Celebrations (confectionery) Quality Street (play) References External links Breakdown of sweets inside a typical Quality Street tub The Chocolate Reviews article on Quality Street Quality Street Tins – Reference Site Rowntree's brands Nestlé brands British confectionery Yorkshire cuisine Products introduced in 1936