quantities fields for each size separately module.

[smehsan]

Hello,
I need a solution.
i want to show quantities fields for each size separately in the single product page. But i have no idea how can i do that!

Something like this.

https://prnt.sc/gt31xq

 

here is the site.

https://www.vestuariolaboral.com/buzo-de-trabajo-tergal/3902-buzo-bicolor-texo-portwest-mod-tx15.html

can anyone please give me any solutions.

Thank You.