Our specially designed Contoured Airlock Cup offers a way of quickly releasing the hand pump from the breast cup whilst still maintaining the vacuum and pressure. The cup consists of a high quality in-line connector which has a built in non-return valve. This means that air will flow in both directions until the quick release button is pressed. Then, air is prevented from leaving the cup until the airlock is reconnected. The connector takes literally seconds to release. With the contoured base having a slight curve to the base of the cup which is specially designed to sit better against the natural curve of your chest.
*Sold as set
Cup sizing guide:
Please check the sizing guide before purchasing to find your recommended cup size:
Breast Cup size Your current Bra/chest size
Small Cups = 26A to 32AA
Medium Cups = 32A, 34AA, 34A, 36AA, 36A, 38AA, 38A, 40AA, 42AA
Large Cups = 32B, 32C, 34B, 34C, 36B, 36C, 38B, 38C, 40A, 40B, 42A, 42B,
Extra Large Cups = 32D, 32DD, 34D, 34DD, 36D, 36DD, 38D, 38DD, 40C, 40D,
40DD, 42C, 42D, 42DD, 44C, 44D, 44DD
For example, if your bra is currently a 36B, you will need to buy the ‘Large cup system’.
Bra Size Calculator:
If you are unsure about your bra or chest size, you can use an online Bra-size calculator here or email us your current bra/chest size and we can let you know what cups will be best for you.
Please note that the above breast cup information is only a guide and if you are unsure please send us a message and we can advice you as to what size cups you need.