X-Small 150 x 100mm (5.9 x 3.9 ins) £4
Small 297 x 210mm (11.7 x 8.3 ins) £10
Medium 420 x 300mm (16.5 x 11.8 ins) £15
Large 700 x 500mm (27.6 x 19.7 ins) £20
X-Large 1000 x 700mm (39.4 x 27.6 ins) £32
XX-Large 1190 x 840mm (49.9 x 33.1 ins) £60