#html-body [data-pb-style=NYRSTR9]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll} Features: Replacement collars for the Mümflow breast pump Size 21 mm -Replace at the first signs of cracks or fissures -Maintains sealing and extraction efficiency -Ensures optimal hygiene and product performance -Includes: 2 flanges per pack About the brand Bblüv is a company created by parents, for parents. It designs high quality, safe and essential children's products such as monitors, baby scales, activity mats, diaper bags, play tents and much more. Being onvenient and functional while having a unique design, the items offered appeal to parents but also remain attractive to children. Bblüv offers you thoughtful and well designed products so you can enjoy every moment with your baby.