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Your fulfillment process needs merchandise in each order to weigh no more than 20 kg. A weight rule totals product variant weights; it does not include boxes or packing materials.

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When to use this

Use this when merchandise weight needs an order cap. The 20 kg example must be adapted to your shipping process and packaging allowance.

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Before you begin

Prepare products weighing 2 kg and 500 g per unit. Check every selected variant and correct missing weights in Shopify.

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Settings

Open the app home page → Weight rules → create a weight rule.

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Steps

  1. Open Apps → 订单限购 in Shopify. From the app home page, open 重量规则 and click 创建重量规则.
  2. Check variant weights under 按产品设置重量限制 first. In the rule, select kg under 规则重量单位, then enter a maximum of 20.
  3. Enter the rule name and thresholds from the settings table. The name is for admin use only.
  4. Under 规则应用于, select the scope in the table. For selected products or collections, click 选择产品 or 选择产品系列 and confirm the selected names appear.
  5. Set the timing from the table. Under 保存后的状态, select 已启用 and click 保存并启用. When editing an existing rule, click 保存并启用.
  6. Return to 重量限制 and turn on 开启重量规则. Wait for saving to complete and check for errors.
  7. Reopen the rule to confirm its thresholds, scope, customer conditions and active state were saved. Run the storefront tests below.

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Test your configuration

Each result describes this recipe only. Keep the product scope consistent and verify checkout; other active rules may still block the cart.
The rule does not split orders, calculate shipping charges or choose a shipping method. Lower the merchandise cap yourself if you need to reserve weight for packaging.
For collection and tag-based thresholds, see weight limits.

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If results differ

If 11 units of 2 kg pass, check the purchased variant weight, scope, rule unit and feature switch. Use troubleshooting to investigate. Complete the launch checklist before rolling out.