Use this template for Material Extra Hard Size Inner products.

Copy the HTML below into a product's body_html field:

<div style="font-family: 'Montserrat', Arial, sans-serif; max-width: 900px; margin: 0 auto; padding: 10px; line-height: 1.6; color: #333;">
      <div style="background: linear-gradient(135deg, #0a0a23 0%, #1a1a3e 100%); color: #fff; padding: 30px; border-radius: 8px; margin-bottom: 20px; text-align: center;">
        <h1 style="margin: 0; font-size: 24px; font-family: 'Playfair Display', serif;">Extra Hard (特硬) Kraft Corrugated Mailer Box</h1>
        <p style="margin: 10px 0 0; font-size: 14px; opacity: 0.9;">Premium Rigid / Heavy-Duty • Inner Size (内部尺寸) • Wholesale Bulk Pack</p>
      </div>

      <h3>📐 Precision Inner Size (内部尺寸) Fit</h3>
      <p>All sizes listed are <strong>Inner Dimensions</strong>. 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 Extra Hard (特硬) Kraft material guarantees your products arrive safely.</p>

      <h3>🛡️ Key Features</h3>
      <ul>
      <li>Extra Hard (特硬) material — maximum crush resistance</li>
      <li>Ideal for heavy items: books, tools, glass bottles, electronics</li>
      <li>7-layer B-flute corrugated for superior stacking strength</li>
      <li>Higher puncture resistance than standard corrugated</li>
      <li>Brown kraft exterior for a professional, unbranded look</li>
      </ul>

      <h3>🚚 Shipping & Logistics</h3>
      <ul>
        <li>Shipped flat-packed — easy storage, no assembly tools required</li>
        <li>Lightweight design reduces dimensional weight shipping costs</li>
        <li>Stackable — saves warehouse space when stored flat</li>
        <li>Compatible with automated packaging lines and manual packing</li>
        <li>Bulk discounts available — contact us for volume pricing</li>
      </ul>

      <h3>🏭 Why Buy From Us?</h3>
      <ul>
        <li><strong>Factory Direct</strong> — We manufacture in Dongguan, China, with 15+ years of corrugated packaging experience</li>
        <li><strong>Bulk Pricing</strong> — Wholesale pricing from 100 to 100,000+ units</li>
        <li><strong>Custom Sizes</strong> — Need a non-standard size? Contact us for custom quotes</li>
        <li><strong>Fast Shipping</strong> — Global shipping via sea, air, or express courier</li>
        <li><strong>Samples Available</strong> — Order samples to test quality before bulk purchase</li>
      </ul>

      <h3>📦 Wholesale & Bulk Orders</h3>
      <p>We are a professional packaging manufacturer specializing in corrugated mailer boxes. All products are sold wholesale — ideal for:</p>
      <ul>
        <li>Amazon FBA / Shopify Sellers</li>
        <li>TikTok Shop & Etsy Store Owners</li>
        <li>DTC (Direct-to-Consumer) Brands</li>
        <li>Small Business Shipping & Fulfillment</li>
      </ul>
      <p>Contact us on WhatsApp for custom quotes, bulk discounts, and size requests.</p>

      <p style="margin-top:20px; padding:15px; background:#f5f5f5; border-radius:5px; text-align:center;">
        <strong>📲 Contact us on WhatsApp</strong> for custom quotes, bulk discounts, and size requests.
      </p>
    </div>

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