VIA Cups are sturdy, stackable and easy to label - ideal for storage of breast-milk and babyfood in fridge or freezer. Use sterile-packed VIA Cups straight from the pack. They can be re-sterilised up to four times. Then dispose/recycle.To express breastmilk, use the VIA Adaptors to attach VIA Cups to your AVENT ISIS pump. Attach AVENT Anti-colic Teats for feeding (pump and teats not included). Serve babyfood straight from VIA Cups.VIA Lids and Adaptors are for permanent use. Sterilise before useIncludes 10 Sterile-packed 180 ml VIA Cups, 10 VIA Lids, 2 VIA Adaptors, 2 Sealing Clips