This manual breast pump with ergonomic handle features two-stage pumping technology and a unique storage system for easy storage; a soft, comfortable breast protector that fits snugly around the breast; and a quiet, discreet pumping system that lets you use it wherever you need it.Easy to assemble, use and clean thanks to its lightweight and compact design. Breastpump Features: Vacuum: Approx. 250mmHg.Suction level: depends on user.Cycles per minute: depends on user.Chest protector size: 24 mm.Operating temperature range: 5 ~ 40º C (41 ~ 104º F), 15% ~ 93% RH, non-condensing.Atmospheric pressure: 700hPa ~ 1060hPa.Storage and transport temperature range: -20 ~ 55º C (-4 ~ 131º F), =93% RH, non-condensing, atmospheric pressure: 800hPa ~ 1060hPa.Dimension: 205 x 186 x 90 mm (L x W x H).Approximate weight. 159g (5.61 oz).It contains: 1 Breastpump.1 Personal Fit Breast Protector 24mm.1 Bottle of 5 oz / 150 ml breast milk with lid and holder.1 Valve.Instructions for use.Gift box.Reasons why