Awarded as TOP10 baby and child product 2026

100,000 satisfied parents

Free shipping over 50 € / Fr.

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For maximum freedom in everyday life.

Because hunger doesn’t wait for electrical outlets, kitchens, or thermoses.

Perfect drinking temperature

With over 100,000 in use

For breast milk & infant formula

Perfect for on the go

Perfect drinking temperature

For breast milk & infant formula

Over 100,000 satisfied parents

Perfect for on the go

For bottles & baby food

15% off when purchased as a bundle

For home & on the road

More flexibility for less money

Freedom when your baby is hungry

With the LIINI® 4.0 PRO, you no longer need to rely on electrical outlets, water baths, or microwaves. Whether you’re out for a walk, at a restaurant, traveling, or out and about at night—the baby bottle reaches the desired drinking temperature in just a few moments, no matter the situation. Exactly when your baby needs them. Over 100,000 parents already trust the original LIINI®.

LIINI Bottle Warmer 4.0

Designed for real-life family life

The LIINI® 4.0 PRO was designed for situations where things don’t always go perfectly. Thanks to its IP66 rating, it is well protected against dust, splashes, and everyday mishaps. Its compact design fits in any diaper bag and will reliably see you through the entire day—from the first bottle in the morning to the last meal on the go.

The perfect temperature at the touch of a button

Four precise temperature settings allow for gentle heating of water, breast milk, and formula. The intelligent heating process ensures that the desired temperature is reliably reached and maintained. Just unscrew the cap, select the temperature, and relax—LIINI® will take care of the rest.

Rated 4.2 by parents

Since 2021, LIINI® has been synonymous with well-designed baby products that make parents’ daily lives noticeably easier. Our solutions are designed to give families more flexibility, safety, and ease—at home, on the go, and at every stage of a baby’s daily life.

Today, more than 100,000 households already rely on LIINI®. People particularly appreciate its ease of use, modern design, and features that are truly designed with life with a baby in mind.

As a Swiss company, we place great emphasis on quality, customer focus, and reliability. That’s why we support you not only with innovative products, but also with personalized premium support—even on weekends.

Trustpilot

How to find the perfect ring size

Do you already have another ring at home?

Yes - measure ring

If you already have a good fitting ring, you can use that to determine the size.

Step 1: Prepare material

  • An existing ring that fits well
  • A ruler or tape measure
  • A pen and a sheet of paper

Step 2: Measure the existing ring

Lay the existing ring flat on a flat surface. Make sure that it does not deform or twist. Use the ruler or tape measure to measure the inside diameter of the ring. This is the distance from one inner edge to the opposite inner edge of the ring. Note the measurement in millimeters.

Step 3: Compare with our size chart

Now compare the measurement you noted with our size scale and choose the appropriate ring size.

No - Measure finger

If you don’t have a matching ring at home, you can easily determine your size with the following procedure.

Step 1: Prepare material

  • A thin strip of paper or a piece of string
  • A pen
  • One pair of scissors
  • A ruler or tape measure

Step 2: Measure the circumference of the finger

Wrap the thin strip of paper or string around the finger you want to wear the ring on. Make sure the strip fits snugly, but not too tight or too loose. Use a pencil to mark the place where the strip or string overlaps.

Step 3: Check the size

To make sure that the determined ring size is correct, you can wrap the thin paper strip or string around your finger again and place the ring on it. Check that it fits comfortably and is not too loose or too tight. Repeat this step if necessary to find the optimal size.

Tip: If you want more accurate measurements, you can repeat the process several times and take the average of the measurements.

Step 4: Compare with our size chart

Now compare the measurement you noted with our size scale and choose the appropriate ring size.

Size chart

SizeInner diameter
116.5 mm
217.3 mm
318.1 mm

LIINI® Ring template

Don’t worry too much about your ring size.

After your order you will immediately receive our LIINI fingerprint kit.

Included are original and pre-cutring templates to try on.

So you can always change to a smaller or larger ring before engraving in the worst case.

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