How to sell in packs or case quantities on Wix Stores (6s, 12s, mixed cases)

By Kayabyte

Short answer: Wix Stores has no “sold in multiples of” setting. A shopper can put 7 bottles in the cart when you only ship cases of 6. There are three ways around it: make the pack itself the product, put a minimum or maximum on the product with Wix’s free Checkout Requirements app (which helps, but doesn’t enforce multiples), or use a rule that only lets checkout go ahead when the quantity is a multiple of your pack size. That rule can count one product on its own, or count a mixed case across several products. This guide walks through each option and the questions to settle first.

Why packs matter

Selling in packs is common: wine and beer in 6s or 12s, candles in sets of 3, seedlings in trays of 24, wholesale cartons, tile boxes, fabric by the half metre. When the cart allows any number, you end up with orders you can’t ship as they are. Then you either email the buyer, refund part of the order, or break a case open and lose money on the packing.

What Wix Stores does on its own

Quantity box: shoppers type any number. There’s no step size and no “multiples of” option on a product.
Minimum order amount: in your store settings you can set one minimum subtotal for the whole order. It’s about money, not pack sizes.
Checkout Requirements (a free app made by Wix): it can set a minimum or maximum quantity per product, plus a minimum subtotal. Each product is counted separately, and there’s no “multiple of” requirement. So “at least 6” works, but 7 still gets through.

Option 1: sell the pack as the product

Make “Case of 6” the product, or add a product option (“Single”, “6-pack”, “12-pack”) with its own price for each choice.

Good for: fixed packs of one product, such as a 12-bottle case of the same wine.
Problems: shoppers can’t mix flavours within a pack. Stock is harder to keep right if you also sell singles from the same supply. And a “6-pack” option still lets someone order 1 six-pack plus 1 single.

Option 2: a minimum per product

With Checkout Requirements, set “minimum quantity 6” on the products sold by the case.

Good for: stores where “at least 6” is enough, and 7 or 11 is fine.
Problems: it doesn’t enforce multiples, and it counts each product on its own. A mixed case of 2 red, 2 white and 2 rosé fails, because each wine has fewer than 6.

Option 3: a pack rule at checkout

A pack rule checks the cart before checkout: is the quantity a multiple of 6? If not, the shopper sees a message such as “Wine is sold in cases of 6. Your cart has 7.” and can’t place the order until they fix it. When you set one up, decide:

One product or a mixed case? Count each product on its own (6 of each wine) or all matching products together (any 6 wines).
Which products? The whole store, chosen products, or a category. Categories save work when you add new wines later.
Also a minimum? “Cases of 6, at least 12 bottles” is two limits on the same rule.
The message. Name the pack size and the current count, so the fix is obvious.
Retail and wholesale. If trade customers buy by the case but retail shoppers can buy singles, the rule should only apply to wholesale customers.

You can build this with Velo code (Wix’s Validations service plugin blocks checkout when your code reports a problem) or use an app. Several order-limit apps on the App Market list packs; our comparison of the options shows which do.

Test before you rely on it

Whatever you choose, try it on your live site with a real cart:

5 items (should be blocked), 6 (allowed), 7 (blocked), 12 (allowed);
a mixed case, if you allow mixing;
a coupon and a sale price, to check the rule still applies;
the cart page, and also the checkout reached from “Buy now” on a product page.

Where Order Minimums & Limits fits

Full disclosure: we make Order Minimums & Limits. It has a “sold in packs of” limit: the quantity must be a multiple of the number you set. A rule can count each cart line on its own, or add up all matching items, so a mixed case of any 6 wines works. Rules can apply to the whole order or to chosen products (Free), or to categories (Pro). You can combine packs with a minimum or maximum on the same rule and write your own message with the pack size and current count filled in. The message shows in the cart and at checkout, and the order can’t be placed until the cart meets the rule. If the app can’t check a rule, the order goes through, so a sale is never blocked by an error on our side.

Free: up to 2 whole-order or product rules on at a time.
Pro: unlimited rules, plus category rules and rules for customers with a contact label, such as Wholesale. $5.99 a month, or $4.99 a month billed yearly, with a 14-day free trial.

See Order Minimums & Limits on the App Market · How the app works

FAQ

Can Wix Stores sell only in multiples of 6 without an app? Not with a setting. You can sell the pack as the product, or write Velo code using the Validations service plugin.

Can shoppers mix products in one case? With a rule that adds up all matching items, yes: any 6 bottles from the chosen products or category count as one case.

Does Checkout Requirements do packs? No. It has minimum and maximum quantities and a minimum subtotal, and it counts each product separately.

Will the rule stop someone ordering 13? Yes, if 13 isn’t a multiple of your pack size. Add a maximum too if you also want to cap the number of cases.