Purpose of the Circular Dent on Milk Jugs..

Ever dropped a jug of milk? Same here.

That dent also works like a shock absorber. If the jug gets bumped or dropped during transport, stocking, or grocery-store handling, the indentation helps absorb the impact.

This lowers the risk of cracks and leaks—saving you from a messy kitchen disaster and saving companies money from damaged products.

3. It Strengthens the Jug Without Extra Plastic

The dent is an engineering shortcut that adds durability without increasing plastic use.

Think of the support arches in architecture—they add strength using shape, not weight.
The indentation reinforces the structure of the jug, allowing it to stay sturdy while remaining lightweight and inexpensive to produce. Clever, efficient design at its best.Continue reading…