Mam sealing disks storage made easy the sealing discs transform all mam bottles and the trainer to storage containers quickly and easily also ideal for on the go mam design bull transforms all mam bottles and the trainer into storage containers ndash ideal for on the gobull breast milk or other liquids can be easily stored in fridge or freezer shape bull seals bottle completely ndash for safe storage bull the mam sealing discs fit all mam bottles and the mam trainer