Description: The breast pump flange inserts are made of silicone material, sturdy and useful, can be used for electric breast pump, portable breast pump, simple and easy to replace, convenient to use. Safe and excellent, simple and convenient, sturdy and practical. Features: -Color: As shown -Material: Silicone -Size: 4.60X4.60X3.40cm/1.81X1.81X1.34in - Note: 13mm, 15mm, 17mm, 18mm, 19mm, 20mm, 21mm, 24mm. - Made of silicone material, the flange inserts are safe and practical, sturdy and useful, and last for a long time. - Smooth surface, no rough burrs, the breast pump flange inserts are excellent and sturdy, will not hurt your skin, comfortable to use. - Fine texture, easy to replace, safe and useful, the portable breast pump flange inserts are practical and excellent. - Excellent performance, simple design, reasonable design, you can use the breast pump flange inserts with confidence. - Suitable for portable breast pump, electric breast pump, easy to use, bring you much convenience. Packing list: 1 x breast pump flange insert 24mm1 x breast pump flange insert 21mm1 x breast pump flange insert 20mm1 x breast pump flange insert 19mm1 x breast pump flange insert 18mm1 x breast pump flange insert 17mm1 x breast pump flange insert 15mm1 x breast pump flange insert 13mm