The FIRST reusable 100% platinum silicone breast milk storage bag. No BPA, lead, PVC and phthalates. Stands up, stays open and zips shut with convenient pour corners and a surface you can write on. Freezer and dishwasher safe, easy to sterilize. Single-piece construction with no glue - won't rip or tear. Includes 6 milk storage bags and 1 freezer tray. • Better for baby made with 100% platinum silicone, won't leach harmful chemicals like plastics can Zip Top containers are completely free of BPA, lead, PVC, and phthalates • Better for planet Zip Top was designed with environment in mind 1-Zip Top can replace 5000 plus disposable bags that's a lot of trash • So much better Zip Top baby snack containers stand up, stay open, and zip shut their sturdy 1-piece design has no glue or seams and won't rip. Freezer and dishwasher safe • Versatile: Zip Top milk bags are safe for use in dishwasher (bottom rack too), freezer and bottle warmers pour corners to avoid spills and you can write on them easily organize by date in freezer tray • Designed for easy use and cleaning: plastic-free, single-piece construction that stands up tops stay open and zippers do not overlap in corners like normal zippers making it super easy to clean thick strong silicone will not tear or break New In Box Sealed Box Fast shipping! Ships same or next business day from a smoke free environment. Please feel free to ask any questions not answered in listing.