The default quantity field has tiny arrows that are hard to tap. On a phone, customers often give up and buy one.
Big buttons
Minus and plus buttons at least 44 px tall are easy to tap.
Respect the rules
Minimums, maximums and steps (packs of 6) should be followed by the buttons.
Clear limits
Disable minus at the minimum and plus at the maximum.
In the cart too
Changing quantities in the cart should be just as easy.
Plusly adds the buttons everywhere. See the demo and how to sell more per order.
Frequently asked questions
Do quantity buttons increase order size?
They make buying several items easier.
What size should they be?
At least 44 px on phones.
Do they work with quantity rules?
Yes, min, max and step are respected.