The product is a set of two Medela Contact Nipple Shields with a carrying case, designed for breastfeeding moms. 

Each shield has a size of 20mm and is made of clear silicone material. 

The shields are standard nipple shields manufactured in Switzerland by Medela, a well-known brand in the breastfeeding industry. 

With the included case, these shields are convenient for on-the-go use and storage. 

Perfect for mothers looking for assistance with breastfeeding, these nipple shields provide a comfortable and protective solution.