The Calypso Double Plus breastpump allows you to gently express milk from both breasts at the same time. This double expression helps increase and maintain the milk volume. The three different sizes of breast shell ensure that every mother can find the right size to suit her nipple. The soft Optiflow massage insert actively massages the breast and ensures efficient and gentle expression.The Calypso has an extended guarantee and calculates that an average mum could express for two consecutive babies whilst benefiting from a full no-quibble manufacturer's warranty. (400 hrs)