PiP postal guide

Royal Mail Pricing in Proportion and BFPO size guidelines

Royal Mail base their postal charges on size as well as weight, and have recently introduced some new sizes. Ensure you keep your postage costs to a minimum by selecting the most suitable products from our range.


letter large letter packet packet parcel
Pricing in Proportion size Letter Large letter Small parcel Medium parcel Large parcel
Maximum length 240 mm 353 mm 450 mm 610 mm > 610 mm
OR
Maximum width 165 mm 250 mm 350 mm 460 mm > 460 mm
OR
Maximum height 5 mm 25 mm 160 mm 460 mm > 460 mm
Maximum weight 100 g 750 g 2 kg 20 kg 30 kg
Examples
Greetings cards Y Y Y Y Y
Folded letters Y Y Y Y Y
Unfolded A4 documents N Y Y Y Y
CDs / DVDs N Y Y Y Y
Magazines N Y Y Y Y
Board game N N Y Y Y
Clothing N N Y Y Y
Computer N N N N Y
Suitable postal products from our range
White
postal boxes
click to view
none 240 x 210 x 20 mm
347 x 242 x 20 mm
110 x 100 x 70 mm
152 x 127 x 95 mm
160 x 150 x 75 mm
220 x 190 x 20 mm
222 x 150 x 88 mm
240 x 240 x 40 mm
240 x 240 x 80 mm
290 x 208 x 95 mm
340 x 110 x 110 mm
375 x 255 x 150 mm
400 x 330 x 40 mm
426 x 342 x 74 mm
366 x 266 x 279 mm
525 x 350 x 210 mm
600 x 450 x 440 mm
102 x 102 x 102 mm
560 x 460 x 340 mm
600 x 400 x 85 mm
Brown
postal boxes
click to view
none none 254 x 254 x 63 mm
254 x 254 x 76 mm
254 x 254 x 102 mm
none none
Jiffy bubble
lined envelopes
click to view
none Size 000
Size 00
Size 0
Size 1
Size 2
Size 3
Size 4
Size 5
Size 6
Size 7
many sizes Size 8
Standard mailing bags
click to view
none KE1
KE2
KE3
KE4
KE5
KE6
KE7
KE8
KE9
White mailing bags
click to view
none KEW1 KEW2 KEW3
KEW4
KEW5
Book wrap mailers
click to view
none none Size 1
Size 2
Size 3
Size 4
Size 5 none

KEY

Y = Suitable - N = Unsuitable