The Best Drink Bottles for Kids Starting School in 2026

Starting school is a big step - for little ones and for parents! When you're packing bags and prepping lunchboxes, the last thing you need is a leaky bottle or one they can't open on their own. Choosing the right drink bottle can make school mornings smoother, lunches less soggy, and hydration way more fun.

Can They Open It Themselves?

When deciding on what size drink bottle to send to school, it helps to know whether your little one can unscrew the lid themselves for refills. Some kids can manage this easily, while others might need a helping hand.

If your child is confident with unscrewing lids, then a Fusion 350ml or a 475ml is a great everyday option. They're easy to refill and light enough for school bags.

But if your child might struggle with opening their bottle on their own, choosing a larger size like the Fusion 700ml or Sport 750ml gives peace of mind. They’ll have enough water to last the whole day without needing a top-up.

Is It Easy to Drink From Without Spills?

Both our Fusion and Sport bottles feature flip-up sipper lids that are designed for easy, independent drinking. The flip tab is simple for little fingers to open and close, making it perfect for school-aged kids.

When closed, the lid seals tightly to prevent leaks in school bags. And when open, the straw provides a smooth, steady flow of water. It makes staying hydrated simple and mess-free, even during classroom chaos or playground pit stops.

Keeps Water Icy Cold All Day

Our bottles are made for Aussie heat and non-stop play. Double wall vacuum insulation keeps drinks icy cold for up to 24 hours, so your little one always has a fresh, cool sip—even after lunch or afternoon playtime.

Built Tough for Drops, Knocks & Chaos

We know school life is full of tumbles, playground tests, and backpacks that get tossed around. That’s why every MontiiCo bottle is made from durable stainless steel that can handle the chaos of the school day (and beyond).

Our Fusion range comes with silicone bumpers included, offering extra protection against drops and dings—perfect for younger kids still learning to care for their gear.

The Sport range skips the bumper and proudly shows off its exposed stainless steel base, so there’s no paint to chip or scuff. It’s a low-maintenance, high-durability option for rough-and-tumble kids who give their bottles a serious workout.

Whichever you choose, MontiiCo bottles are built for real life - tough, reliable, and ready for anything.

Our Top Picks for School Starters:
Fusion 475ml

• Lightweight and easy for little hands

• Flip-up sipper lid for easy drinking

• Double wall insulated to keep drinks cold all day

• Dishwasher safe + comes with stainless steel straw & bumper

Sport

• Great for kids who drink lots of water or might not be able to refill during the day

• Built tough for drops and tumbles

• Easy flip-up sipper lid with sturdy carry handle

• Exposed stainless steel base shows no wear and tear

• No accessories needed, just grab and go

Starting school is exciting (and a little overwhelming), but choosing a bottle shouldn’t be. At MontiiCo, we’ve designed drink bottles that are fun for kids, stress-free for parents, and made to last through every school day adventure.

Let the big kid adventures begin — with hydration, handled!