I just opened it to take a picture, never use as I bought a wrong type for my machine. i didn't realize until i started using the machine and it didn't fit. The Medela Personal Fit Plus single Pump Set is designed for use with the Symphony Breast Pump Shield in 24mm size. This hospital-grade electric pump is ideal for efficient breastfeeding and nursing mothers. The multicoloured design adds a touch of colour to the otherwise functional pump set, making it a stylish and practical choice for parents looking to simplify their baby feeding routine. Made by the trusted brand Medela, this pump set is a reliable option for those in need of a reliable and efficient breast pump.