The 4oz Mason Bottle comes with a Slow Flow Nipple (0-3 Months).
The 8oz Mason Bottle come with a Medium Flow Nipple (3-6 Months).
Additional nipple sizes are also sold separately on MasonBottle.com: Fast Flow (6+ Months), and Fastest Flow (6+ Months and Thicker Liquids).
Includes: Medical-Grade Silicone Nipple (Slow Flow Size, for 0-3 months), 4 oz. Mason Jar, and Plastic Cap.
Naturally BPA-Free: All materials that go into our products are naturally BPA-free and don''t contain any toxic chemicals.
100% Made in the USA: We''re the only baby bottle with a wide breast-like nipple that''s made in the US
Easy-to-Clean: silicone nipples, sleeves and plastic caps are all dishwasher safe. (Note: Metal mason jar rings are NOT dishwasher safe- just rinse and dry thoroughly.)
Simplify Milk Storage: Mason jars are freezer safe, stackable and re-useable, making them perfect for breast milk storage.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 3.2 inch
Height : 2.8 inch
Length : 4.2 inch

Item Weight: 8.48 ounce (View shipping rates and policies)
Shipping Weight: 5.6 ounce (View shipping rates and policies)

ASIN : B01DYX8MUY