Level-4 Silicone Narrow Nipple, 2-Pack

• Made From 100% Silicone • Bpa-Free • Made Of Super-Soft, High-Grade Silicone, Each Nipple Level Provides A Different Flow Rate. • Compatible Exclusively With Dr. Brown'S Narrow-Neck Bottles. • Comes With 2X Level-4 Silicone Nipple.