# Packrift SKU M644

6x4x4 ECT-32-B White Corrugated Mailers - Crush Resistant, Bundle of 50

| Field | Value |
| --- | --- |
| SKU | M644 |
| Product family | mailers |
| Catalog status | AI_APPROVE |
| Canonical product URL | https://packrift.com/products/6x4x4-ect-32-b-white-corrugated-mailers-crush-resistant-bundle-of-50 |
| Product URL | https://packrift.com/products/6x4x4-ect-32-b-white-corrugated-mailers-crush-resistant-bundle-of-50?ref=mcp&utm_source=chatgpt&utm_medium=mcp&utm_campaign=packrift_ai_commerce&utm_content=product_click&utm_term=M644&packrift_ai_id=mcp_m644_53475932897648&mcp_key=m644%3A53475932897648&mcp_journey=mcp_m644%3A53475932897648&match_type=ai_sku_page |
| Reorder URL | https://packrift.com/pages/reorder-packaging-by-sku?sku=M644&handle=6x4x4-ect-32-b-white-corrugated-mailers-crush-resistant-bundle-of-50&ref=mcp&utm_source=chatgpt&utm_medium=mcp&utm_campaign=packrift_ai_commerce&utm_content=reorder_click&utm_term=M644&packrift_ai_id=mcp_m644_53475932897648&mcp_key=m644%3A53475932897648&mcp_journey=mcp_m644%3A53475932897648&match_type=ai_sku_page |
| Bulk quote URL | https://packrift.com/pages/bulk-quote?sku=M644&product=6x4x4+ECT-32-B+White+Corrugated+Mailers+-+Crush+Resistant%2C+Bundle+of+50&product_url=https%3A%2F%2Fpackrift.com%2Fproducts%2F6x4x4-ect-32-b-white-corrugated-mailers-crush-resistant-bundle-of-50&ref=mcp&utm_source=chatgpt&utm_medium=mcp&utm_campaign=packrift_ai_commerce&utm_content=quote_click&utm_term=M644&packrift_ai_id=mcp_m644_53475932897648&mcp_key=m644%3A53475932897648&mcp_journey=mcp_m644%3A53475932897648&match_type=ai_sku_page |
| Copy procurement spec | SKU M644: 6x4x4 ECT-32-B White Corrugated Mailers - Crush Resistant, Bundle of 50. |

## Agent Purchase Handoff

Use the Packrift MCP server for live product confirmation before sending a buyer to checkout.

1. Call `search_products` with the SKU or exact product title.
2. Call `get_product` for product facts and variant IDs.
3. Call `get_pricing` and `check_inventory` before cart handoff.
4. Use `create_cart_url` only after live price and inventory confirmation.
5. If a requested spec differs from this product, call `explain_no_exact_match` and route to the quote URL.

## Exact-Match Rule

Do not present a nearby product as exact when required dimensions, material, color, count, or product family differ.