Simply rinse used baby bottles with water, add this detergent, soak in water, and then rinse again with water for easy cleaning and disinfection. It's a great help when traveling or visiting relatives, where sterilization supplies can be a burden. I bought it for travel and used only one packet, so there are 39 packets remaining for sale. To reduce shipping costs, as shown in photo 7, the contents will be transferred to a Ziploc bag, and the box will be shipped folded. - Brand: pigeon - Product Name: Washable Disinfectant - Purpose: Baby bottle detergent - Features: Cleans and disinfects in a short time - Contents: 39 packets Thank you for viewing.