拉脱维亚采购需求：定制牛皮纸袋，牛皮纸袋，批发牛皮纸袋，拉链牛皮纸袋，纸质包装，产品

We are looking for a supplier for expandable kraft paper shipping envelopes tailored for e-commerce purposes. The desired dimensions are roughly 400 × 500 × 90 mm, with a tolerance of ±50 mm for both length and width. Our initial order will range from 100 to 350 units. We also need customization that includes our logo, QR code, and website details on the envelopes. Could you let us know if you can produce this type of envelope? We're interested in the unit price with the requested customization. Additionally, please provide information on the minimum order quantity and the estimated production lead time. Lastly, do you offer shipping services to Latvia? Looking forward to your prompt reply.