Product Overview: Designed for efficiency and convenience, the Doopser Single Wearable Cup is compatible with 99% of pump machines, enhancing the hands-free pumping experience. Key Features: ‣ BPA-free construction ensures the safety and health of both mother and baby. ‣ 240ml capacity provides ample space for milk collection during each use. ‣ Ergonomic shape and smooth surfaces simplify cleaning and maintenance. Specifications: ‣ Material: Durable and skin-friendly for prolonged use. ‣ Size: 8.6cm Length x 11.9cm Height x 12.5cm Width. ‣ Weight: 0.22 kg.