Learn how to properly assemble your Rumble Tuff Slim Cups with this quick and easy step-by-step tutorial! This video breaks down the simple assembly process for Rumble Tuff breast pump cups, making setup a breeze. Key Features of Rumble Tuff Slim Cups: Minimal parts for easy assembly Innovative 3-in-1 membrane design (flange, membrane, and duckbill) Multiple flange sizing options available Compatible with adapter for different pumps Flat design for convenient storage Whether you're a new mom or experienced pumper, this tutorial makes assembling your Rumble Tuff pump cups simple and stress-free. The straightforward design means less time setting up and more time for what matters most!