Our expandable kraft mailer box offers flexible height adjustment to fit various products. Sturdy kraft construction ensures excellent protection during shipping. Lightweight, easy to assemble, and recyclable. It saves storage space and reduces shipping costs, perfect for e-commerce retail and small businesses.
Strict raw material inspection to ensure consistent thickness and strength.
Full-process monitoring for dimension accuracy, adhesion and printing effect.
Professional testing for compression, bursting and durability to meet international standards.
100% manual inspection before shipment to avoid defective products.
Complete quality records for batch traceability and stable product performance.
We provide flexible customization for expandable kraft mailer boxes, including size, thickness and logo printing.
Multiple material grades are available to meet different budget and protection needs.
Suitable options for small-batch trial orders and large-volume wholesale orders.
Professional team offers packaging advice to help you choose the most cost-effective solution.
Wide applications for e-commerce, apparel, cosmetics, electronics and daily necessities delivery.
Yes, we accept custom dimensions, logos and color printing to match your brand.
Our expandable design allows flexible height to fit different product volumes.
Samples are available for quality check, and small-batch trial orders are supported.
All boxes are made of sturdy kraft paper, tested for compression and safe shipping.
Normal lead time is 7–15 workdays, depending on order quantity and design.
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No. 9, Kongque River 4 Road, Jimo District, Qingdao, Shandong Province, 266200, China