Why Do Milk Jugs Have Those Inverted Circles?

Why Do Milk Jugs Have Those Inverted Circles?

The concave circles built into the sides of plastic milk jugs are an important part of their design.

This Is What Those Circles On Milk Jugs Are Actually For

Mila's Keeper Glass Breast Milk Storage Bottles - Wide - Pink Sands

Why Do Milk Jugs Have Circle Indentations?

Mother, Baby & Breastfeeding Support - Central Oregon Locavore

What is this concave circle on the side of my milk jug? There's

Dr. Brown's Nipple Shields with Case, Size 1 - Up to 24 mm

I've always wondered what this dent in milk gallons is for. What

Medela SoftShells for Inverted Nipples

What is this concave circle on the side of my milk jug? There's

Easy Cake Donuts (Make-Ahead and Freezer-Friendly)

The Ameda Skin-to-Skin Nipple Shield is a great tool for inverted

The 4 Best Baby Bottles

Amazing Secrets Hidden In Everyday Things - Part 4

Soft Breast Milk Collector Portable Overflow Prevention Silicone