1. Glass bottles need to be recycled and cleaned, which leads to an increase in cost, which is reflected in the commodity price and will be more expensive than bagged milk.
2. Glass bottles do not have the convenience of bagged milk, so their demand in the market is relatively low, and merchants may choose to increase the unit price in order to balance the cost.
However, the specific price difference may vary due to factors such as regions and brands. If you want to get the most accurate price information, it is recommended to consult local businesses directly or check the relevant product pages.