Inquiry about Poly Mailer Bags

We require custom poly mailer bags with dual-side printing capabilities. Key specifications:

- Printing Requirements:
1) Fixed brand design on one side (artwork provided by buyer)
2) Pre-printed logistics label on reverse side (direct printing, no separate labels)
3) Must handle variable data printing (barcodes, QR codes, order numbers) with changing elements per bag

- Technical Capabilities Needed:
• Confirm variable data printing method (digital/thermal transfer/laser)
• Specify maximum variable elements per label
• Provide required data format (Excel/CSV preferred)
• Explain unique barcode/QR code implementation process

- Material Specifications:
• Available material options: LDPE/biodegradable/recycled
• Film thickness requirements
• Sample provision before mass production

- Commercial Terms:
• MOQ for custom variable-print orders
• Unit price based on volume tiers
• Additional charges for variable data processing

Suppliers must demonstrate expertise in integrated variable data printing directly on packaging materials.