No One Knows Dedication Like A Pumping Mom. Protect Every Hard-Earned Ounce With Lansinoh® Super Strong Breastmilk Storage Bags. Safely Freeze And Store Your Breastmilk With Reinforced Double Sealed Side Seams And A Double Zipper For Ultimate Protection. Presterilized For Safe Storage And Bpa/Bps Free. There’S A Reason Lansinoh Is The #1 Selling Breastmilk Storage Bag In The Us. • Built Super-Strong For Storing, Freezing, And Protecting Your Breastmilk • Pump Directly Into Bag Using Your Lansinoh Pump, Or Most Major Pump Brands Using Our Pump-Into-Bag Adapter (Sold Separately) • Presterilized With A Tamper-Evident, Fully Sealed Tear-Away Top For Safety • Includes A Large Write-On Label At The Top Plus A Convenient Pour Spout