User Manual of Product 1:
Dr. Brown's Natural Flow Level 1 Narrow Baby Bottle Silicone
Nipple, Slow Flow, 0m+, 100% Silicone Bottle Nipple, 6 Pack
User Manual of Product 2:
Dr. Brown's Options+ Wide-Neck Baby Bottle Nipple, Level 2 (3
Months+), 6 Pack
