You have to check your competitor’s categories and select the appropriate category also you can place the name of the product in add a product when you are looking for a category Amazon will suggest you the category chain according to history.
Eventually, whatever you’re listing exists on the platform already, so you can select your appropriate category, this can be based on two different ways, one to go with the most relevant category, other will be the relevant (alternate category) that has less competition if you’re striving for the (Best Seller) badge.
You need to make sure that you understand each category’s requirements, restrictions, and subcategories to choose the right one for your product. Second thing, look at other products similar to yours and see which categories they are listed under. Also, check the competition.
Start by reviewing Amazon’s category list to see which category your product fits into. You can find the list by clicking on “Browse” at the top of Amazon’s homepage and then selecting “All Departments” and “Categories.”
Remember that choosing the right category is important for the success of your product listing on Amazon, as it can affect how easily potential buyers can find your product.