• BPA FREE with double zipper and wide standing base • Heat Resistance Point and Freeze Point( 230 Degrees Fahrenheit to -4 Degrees Fahrenheit) • Bag and printing color are food grade; suitable for food packaging • Sterilised using Gamma Ray Sterilization Technology • Ideal for refrigerator and/or freezer storage • Self standing bottom for easy storage Colour: Transparent Heat Resistance Point and Free Point: 230 Degrees Fahrenheit ~ -4 Degrees Fahrenheit (110 Degrees Celsius ~ -20 Degrees Celsius) #breastmilk #breastmilkbag #breastmilkstorage #sunmum #drdudu #breastfeeding #breastmilkstoragebag #breastfeeding #nursing