Specifications: Material: Nylon Size: 26*25*9cm ​Color: picture color Package Included:1pc * breastmilk cooler bag Material: The breast milk insulation bag is made of nylon fabric, and the inner lining is made of polyester, which is durable and waterproof, suitable for daily use. With an ice pack, you can use your breast milk storage bag as a cooler, or as a cooler on cold days to keep your breast milk or food warm Large Capacity: Backpack Dimensions: 9.8"L x 3.5"W x 10"H. Spacious double space, zippered and divided into 3 pockets. You can place breast pumps, wipes, diapers, bibs, and more. Other essentials are placed on the top layer and up to 9 bottles are placed on the bottom layer. This thermal bag can be used alone as a thermal bag or as an organizer bag Durable and multifunctional: The thermal insulation bag can be used in all seasons. Not only does it cool bottles with ice packs, it also keeps food warm with composite insulation. Available in two colors, it is unisex and can be used as a regular lunch bag or as a diaper organizer tote Keep breast milk fresh: Breast milk cooler bags can keep breast milk fresh for up to 12 hours. If moms play outside, don't worry about breast milk spoiling 2 Ways to Carry Your Breast Milk Storage Bag: Our stylish storage bag is suitable for any occasion, can be carried like a tote or as a backpack, just attach the straps to convert the tote into a backpack, allowing mothers to Free their hands when you go out