The Cimilre Collection Kit is a comprehensive set designed for double pumping, compatible with all Cimilre breast pumps. It serves as an ideal replacement or spare kit for home or work use. Purchasing the complete kit offers cost savings compared to buying individual parts separately. What's Included: Two (2) breast shields (available sizes: 16mm, 19mm, 21mm, 24mm, 28mm, 32mm) Two (2) valves Two (2) tubes Two (2) backflow protectors Two (2) storage bottles (note: bottle caps and nipples not included) Key Features: Compatibility: Works with all Cimilre breast pump models. Convenience: Ideal for replacing worn parts or having an extra set for different locations. Cost-Effective: Buying as a kit is more economical than purchasing parts individually. Size Options: Multiple breast shield sizes ensure a comfortable fit.