OverviewDirect Checkout Links can be modified to include multiple products and quantities. This allows users to create a single Direct Checkout Link that adds multiple books, in various quantities, to a customer's cart.The Direct Checkout Link provided by Lulu includes a single product by default. To add additional products or increase the quantity of a product, you must manually modify the URL.Adding Multiple Quantities to the Direct Checkout LinkTo add multiple quantities of the same product you must add a “:NUMBER” at the end of the item ID in the URL.For example:https://svc.lulu.com/?items=1b0730df-4bd6-402b-bcd6-d4a0189e39fe:2The “:2” will start the checkout process with 2 copies of the item in the cart.Note: Customers can modify the quantity still.Adding Multiple Products to the Direct Checkout LinkFor each additional product you want to add to your Direct Checkout Link you must add “&items=ITEM-ID” to the URL.For example:https://svc.lulu.com/?items=1b0730df-4bd6-402b-bcd6-d4a0189e39fe&items=7f211924-e625-4a88-97bd-8b0fc9fc5dadThis adds 2 unique products to the checkout link.Note: You can also increase the quantity by adding ":NUMBER" to the end of each item ID, which allows the cart to have both multiple items and quantities.