What types of packaging in the POST range are for small/medium shipments, and in what format?

The PostPack et PostEnvelopes range of packaging is the most suitable for small and medium shipments, and comes in several formats:

• 2 x Tyvek®: 162 x 229 mm and 250 x 353 mm
• 3 x Box: 225 x 145 x 27 mm, 340 x 210 x 30 mm, 250 x 178 x 100 mm
• 4 x Envelopes: US (114 x 229 mm) with or without window, C5 (162 x 229 mm) and C4 (229 x 324 mm)
• 4 x Box: 250 x 178 x 100 mm, 400 x 300 x (90-160mm), 500 x 350 x 220mm, 325 x 239 x (0 - 75mm)