20x35cm
17x30cm
25x42cm
25x35cm
30x42cm
28x42cm
35x45cm
32x45cm
38x52cm
35x52cm
10 sizes Pink Envelope Express Bag Office Paper Envelope Poly Mailer Plastic Shipping Mailing Bags Envelope Poly bag New
Note:The actual use of size less than the external size of about 5cm
for example : external size 17x30cm ,use size 17x25cm