This Elvie Breast Shield Insert offers a smaller silicone flange option to improve pump fit and comfort for nursing parents. This soft insert is made from 100% food-grade silicone and features a protective rim to reduce friction and promote gentle, more comfortable expressing that can help increase milk output. This design fits into the 24 mm Elvie breast shield included with the pump and is offered in 15, 17, and 19 mm sizes to match different nipple diameters. This lightweight, premium-feel flange adapter is easy to assemble and clean, keeping feeding routines simple and hygienic. This compatible breast pump accessory works with Elvie Pump and Elvie Stride, providing a reliable silicone flange insert for daily breastfeeding support at home or on the go.