📐 Precision Inner Size (内部尺寸) Fit

All sizes listed are Inner Dimensions. Each box is engineered with a precision manufacturing tolerance of ±1mm to ensure consistent fit. Whether you need custom mailer boxes for your Amazon FBA shipments or everyday order fulfillment, our White Kraft material guarantees your products arrive safely.

🛡️ Key Features

• White Kraft — clean, bright appearance for branded packaging
• Smooth white surface ready for custom printing and stickers
• Proudly unboxed look — enhances customer experience
• Strong enough for everyday shipping needs
• Perfect for retail-ready and gift-style packaging

🚚 Shipping & Logistics

• Shipped flat-packed — easy storage, no assembly tools required
• Lightweight design reduces dimensional weight shipping costs
• Stackable — saves warehouse space when stored flat
• Compatible with automated packaging lines and manual packing
• Bulk discounts available — contact us for volume pricing

🏭 Why Buy From Us?

• Factory Direct — We manufacture in Dongguan, China, with 15+ years of corrugated packaging experience
• Bulk Pricing — Wholesale pricing from 100 to 100,000+ units
• Custom Sizes — Need a non-standard size? Contact us for custom quotes
• Fast Shipping — Global shipping via sea, air, or express courier
• Samples Available — Order samples to test quality before bulk purchase

📦 Wholesale & Bulk Orders

We are a professional packaging manufacturer specializing in corrugated mailer boxes. All products are sold wholesale — ideal for:

• Amazon FBA / Shopify Sellers
• TikTok Shop & Etsy Store Owners
• DTC (Direct-to-Consumer) Brands
• Small Business Shipping & Fulfillment

Contact us on WhatsApp for custom quotes, bulk discounts, and size requests.

📲 Contact us on WhatsApp for custom quotes, bulk discounts, and size requests.