How do I set up different shipping box sizes so they are specific to each of my products

[CaroleKeenan2]

How do I set up different shipping box sizes so they are specific to each of my products

instructions call for "early access" to set up a box size specific to the product being entered. It seems that is a partner program item?  I have 5 products, each has it's own shipping box specific to it's size. Pricing from shopify shipping came up with an excessive shipping cost for one of my small products and I am trying to correct the problem,

[Anindita]

Hi @CaroleKeenan2,

Shopify provides default box sizes that may not be suitable for all products, leading to potential undercharging or overcharging for shipping. To resolve this, you can use the PH MultiCarrier Shipping Label app, a Shopify shipping app with advanced box packing features. It considers product weight, and volumetric weight based on dimensions, and allows BOX selection based on maximum weight or volume capacity, among other capabilities.

Hope this help!