FOOD GRADE SILICONE-It is made of food-grade soft silicone that comfortably conforms to the breast, and BPA-free materials, Back-flow protection mechanism will keep the milk healthy for your baby's feeding. TWO GEAR SUCTION BAR-2 modes, allows you to personalize the strength you pump to meet your need, stimulate milk secrete or quickly pump it out, an anti-dust lid is included to ensure cleanliness of the collected milk THE SINGLE MANUAL DESIGN - Our hand breast pump is soft and ultra-light designed, easy to install and comfy for sucking milk and perfect for traveling. This small, compact pump is the simplest accessory of them all, and fits easily in your bag, innovative design breakthrough the traditional way of sucking. ERGONOMIC & PORTABLE - The manual breast pump has an ergonomic easy-express handle to reduce hand fatigue while pumping; This lightweight portable manual breast pump can be carried in any bag while traveling for a quiet pumping session. CUSHION MASSAGE - The petal shaped silicone massage pad is soft and hollow, suitable for the shape of the breast, achieving good sucking effect, promoting milk expression.