Letter Sets Item No. Size Design No. 63002 230 x 105 x 180mm Letter holder with 2 compartments 1665-01 63006 155 x 125 x 75mm Letter rack with 10 sheets and 10 envelopes 66135 255 x 200 x 20mm Letter portfolio with 45 sheets and 20 envelopes 66180 250 x 190 x 65mm Letter portfolio with 20 sheets and 20 envelopes