How to create composite products in WooCommerce

List the parts of the product and decide whether each component is required or optional. Decide whether customers choose one item from each component, whether they can change quantities, and whether the total uses a fixed base amount or is calculated from the selected products.

Use a variable product instead if the customer is choosing attributes of one item, such as size and colour. Use a composite product when the selection contains several separately managed products and multiple SKUs must be affected by the order.

Create each component as a separate simple or variable product before creating the bundle. Add a price, SKU where needed, and the correct stock settings to every product or variation that may be selected.

Do not leave a component without a price. WooCommerce may treat it as not purchasable, even when the component price will not be shown separately. This is a common reason for missing options or a disabled add-to-cart button.

For a fixed collection where customers only need to add existing products to the cart, go to Products > Add New. Enter the parent product details, choose Grouped product in the Product data panel, then use Linked products to add the child products.

This is the manual route and it is fine for displaying several related products on one page. It is not a true configurable bundle: customers add the child products separately, and you do not get component rules, conditional choices, or one composite line item.

If customers must build a kit from selectable parts, install a composite-product extension through Plugins > Add New, or upload its ZIP file and activate it. Confirm that WooCommerce is active, then open the product editor and check that the extension has added a composite product type.

A composite extension is needed for configurable components, component-level stock handling, optional selections, quantity limits, and totals that respond to the customer’s choices.

Go to Products > Add New, enter the product title and descriptions, then choose Composite Products in the Product data selector. Open the component settings and add one component for each part of the kit, such as body, lens, accessory, or packaging.

For each component, add the allowed simple or variable products. Set whether it is required, choose a default where appropriate, and set minimum or maximum quantities. If the extension supports category, tag, or attribute sources, use those instead of adding every product manually when the list is large.

Choose a fixed base total when the kit has one set price, or enable individual component pricing when the total should change with selections. If you want a kit discount, apply it through the component or bundle settings provided by the extension rather than changing the standalone product prices.

Save the product and test required, optional, variable, and out-of-stock choices. Check the cart, order, email, and stock quantities. If many components or options fail to save, ask your host to check PHP’s max_input_vars; complex product editors can exceed the common default. Also check that loopback requests work, because failed loopbacks can prevent component stock from updating correctly.

Fast way: use WPC Composite Products for WooCommerce. Install and activate it, create the component products first, choose the composite product type, add the components, set required or optional selections and quantities, then choose fixed or automatically calculated totals. Its component products remain inventory-managed as standalone products.