Nipple Protector, Transparent, White, Material: Silicone
From Amazon
Elvie Pump Breast Shields - 21mm | 2 Nipple Shields Flange for Expressing Breast Milk | Baby Breastfeeding Elvie Accessories for Electric Breast Pump | BPA Free Breast Shields | Nursing Bra Compatible
Cosmetify
Elvie Pump Breast Shields 2 x 21mm
Luksusbaby.com
Elvie Breast Shield 21 mm 2-Pack White