This set is made free from toxic Bisphenol A, designed to retain mother's breast milk's beneficial properties and comes with 4 pcs 5oz / 160ml polypropylene bottles, screw caps and sealing disks.
Features:
• Specially designed for safe and longer storage of breastmilk
• Equipped with easy to read graduations
• Compatible with most standard breast pumps and can be pump directly into the bottle.