Envelope, For USA/Europe/Austra etc markets, Boxed, shrinked etc. 10#/6# etc.C4/C5/C6 /A4/A5DL American etc. Sampling 1.Sample charge: According to your design and details. Sampling time:2-7days 2.Sample charge: Free for Existing Samples Sampling time:1day Description Type: Bubble / padded, klaspe envelopesPaper: brown/golden brown kraft paperWindow: noPrinting inside: with/without Designs: ...