Replacement O Rings

$3.45 Sale Save

Bought together


Made exclusively for Little Stackers Sippy Cups, these silicone replacement O-Rings are here if you need them. Replace the part, not the cup! 

2 x Replacement O-Rings

Designed exclusively to fit the Little Stackers Sippy Cup lids.

Made silicone with zip, zero, zilch BPA.

Designed specifically for Little Stackers Sippy Cup lids.

Replacing your O-Ring is quick and easy. Simply remove the old one and press the new one into place, making sure it sits neatly in the groove.

Dishwasher safe. Phew!

Remember to always remove and dispose of any packaging before handing to the kids.

Giving tired O-Rings a fresh start.

Helping keep your Little Stackers Sippy Cup leak resistant.

Keeping your favourite cups in action for longer.

  • Free (yep!) standard shipping on all orders over $99
  • Flat $10 fee for standard shipping for orders under $99
  • Flat $15 fee for express shipping.
  • Click here for more info on shipping & shipping times.
  • We get it—online shopping is way different from the old school brick-and-mortar days. That’s precisely why we’re tickled pink to honour returns within a 14-day time period with just a few teeny tiny conditions. Check out our FAQ’s page for all the deets or click here.

Stackable Cups

For super easy storage and a super tidy home.

Interchangeable Lids

Continuity: Eases little ones through life's big transitions from bottle to sippy.

Handy Handles

To add or (remove) on bottles and sippys for growing independence.

Easy to Clean

Kitchen-friendly and a dream to clean.

Choose your own colour adventure

All Little Stackers products—from our handy handles to our curvy lids—come in a variety of colours and can be bought separately. Which means you can create your ultimate, most aesthetically pleasing baby bottle or sippy cup.

Get creative! Go custom! Match that baby bottle to your nappy bag. We know you want to.

Shop Now

Our range