Cant access property product inside ItemCart

gistfile1.rb

@item_cart = ItemCart.new
input.create_list_of_items.each do |item|
  @item_cart.quantity = item[0]
  @item_cart.product = Product.new("sfdsfds", "fdfds")
  @category = Category.new(return_category_name(@item_cart.product.name))
  @item_cart.product.category = @category
  @item_cart.price = item[2]
end
####################################
class Product
  attr_accessor :category
  def initialize(name, type)
    @name = name
    @type = type
  end
end

class Category
  def initialize(name)
    @name = name
  end
end
class ItemCart
  attr_accessor :quantity, :product, :price
  def initialize
  end
end