Factory Wholesale! Premium 7"X 5 1/2" Pre-Labeled Packing Slip Envelope for Shipping

Factory Wholesale! Premium 7"X 5 1/2" Pre-Labeled Packing Slip Envelope for Shipping. Waterproof Protection: Made of PP/PE material with hot-melt glue for excellent waterproof and dust-proof performance. Custom Logo Printing: Supports custom logo printing and color printing on the surface for branding needs. Flexible Thickness Options: Available in thickness range of 25-60 microns with popular options at 30/35 microns. Strong Adhesive Seal: Features strong adhesive and self-sealing design for secure document protection. High Monthly Capacity: Production capacity reaches 30,000,000 units per month to meet large orders. Fast Stock Delivery: Lead time is only 3-5 days for stock items, ensuring quick turnaround. Custom Product Lead Time: Custom products are delivered within 10-15 days after order confirmation. Free Stock Samples: Free samples are available for stock items to verify quality before bulk purchase.