产品材质： co-extrusion LDPE/HDPE outer layer with high-opacity finish for content privacy

Closure: permanent self-seal adhesive strip — tamper-evident once sealed

Tear resistance: high-density construction resists tears and punctures during transit handling

防潮防水: outer film provides full moisture protection for contents

Size range: available in standard courier sizes from 15×20cm to 60×70cm; custom sizes available

Print options: up to 4-color OEM print — logo, brand colors, return address layout

Surface: matte or glossy finish options for premium unboxing presentation

Certifications: RoHS, ISO9001 certified

OEM MOQ: 1,000 units for standard sizes; 5,000 units for custom dimensions

适用场景： e-commerce order fulfilment, DTC brands, subscription boxes, apparel shipping