cross-border e-commerce lightweight express envelope 28*42 thickened small black new material low voltage express envelope po packing bag

10cm wide(宽10公分) 11cm wide(宽11公分) 12cm wide(宽12公分) 13cm wide(宽13公分) 14cm wide(宽14公分) 15cm wide(宽15公分) 16cm wide(宽16公分) 17cm wide(宽17公分) 18cm wide(宽18公分) 20cm wide(宽20公分) 25cm wide(宽25公分) 28cm wide(宽28公分) width 30cm(宽30公分) width 32cm(宽32公分) 35cm wide(宽35公分) 38cm wide(宽38公分) 40cm wide(宽40公分) 45cm wide(宽45公分) 50cm wide(宽50公分) 55cm wide(宽55公分) 60cm wide(宽60公分)

length 15 (including 4cm seal)(长15（含4公分封口）) length 18 (including 4cm sealing)(长18（含4公分封口）) 20 long (including 4cm seal)(长20（含4公分封口）) length 22 (including 4cm seal)(长22（含4公分封口）) length 26 (including 4cm seal)(长26（含4公分封口）) 30 long (including 4cm seal)(长30（含4公分封口）) 35 long (including 4cm seal)(长35（含4公分封口）) length 42 (including 4cm seal)(长42（含4公分封口）) 45 long (including 4cm seal)(长45（含4公分封口）) length 52 (including 4cm seal)(长52（含4公分封口）) 55 long (including 4cm seal)(长55（含4公分封口）) 60 long (with 4cm seal)(长60（含4公分封口）) 65 long (including 4cm seal)(长65（含4公分封口）) 70 long (including 4cm seal)(长70（含4公分封口）) length 75 (with 4cm seal)(长75（含4公分封口）) 80 long (with 4cm seal)(长80（含4公分封口）)