Reinforced, for heavy or standard parcels, for thick and light parcels. This range of envelopes is amazingly resistant. 3 accordions. Closing system with self-seal tab with protective strip. blond standard kraft 120 g, accordion of 3 cm box of 200 size 229 x 324 x mm/260 330 x mm/275 365 mm Reinforced kraft blond Gascofil 130 g and 155 g Reinforced with polyester woof thread and polyethylene sheet tear and burst resistant protects against humidity box of 200 1) reinforced 130 g 229 x 324 mm 260 x 330 mm: 3 accordions of 3 cm 275 x 365 mm 2) reinforced 130 g: package of 50 229 x 324 mm 260 x 330 mm: 3 accordions of 5 cm 280 x 380 mm 3) reinforced 155 g: package of 25 280 x 365 mm: 3 accordions of 7 cm 280 x 410 mm: 3 accordions of 9 cm 300 x 470 mm: 3 accordions of 7 cm 4) accordions 155g: package of 50 300 x 365 mm: 3 accordions of 3 cm envelopes, accordion envelopes