Product pack size

We have products that we want to supply in packs of 6 only (i.e. customer can add 6 or 12 or 18, but not 7 or 8 or 10). I can see that there is the ability to set a "Minimum cart quantity" but if we set this to 6, presumably the customer could still add 7 to their cart.
Before I go and modify the code, does anyone know a way of doing this "out of the box" or using an existing plugin?
Thanks in advance.

In the demo store each product has a property "Allowed quantities:". It is located on the second line after "Minimum cart quantity"
Maybe this is what you need?

Fantastic, can't believe I missed that, exactly what I needed, thank you!

I think that this does not work for wholesale. We need to sell boxes with products and it would be nice to have    something like Number of Items in a Pack and Number of Packs in a Box.

Hi.

nopCommerce doesn't handle wholesale & retail together out of the box, you need some customization for that.

There is a couple of configurations that might help you on that, but it will never be a proper wholesale/retail system.

Check tier prices too, you can set discount for multiple quantities.

grahamsmith wrote:

Hi,

You can use "Allowed Quantities" setting which is available in the Product Edit page under Admin area and for tier price you can add special price quantity wise.