Can the same bottle hold hot and cold drinks?

Yes — vacuum insulation works in both directions, slowing heat moving out and moving in. A good insulated stainless bottle holds around 12 hours hot or 24 hours cold.

Will tea flavour carry over into water?

Only if the leaves or tannin stay in. Lift the infuser out when the brew is done and rinse the bottle before refilling; stainless itself does not hold flavour the way plastic does.

Can you put boiling water in an insulated bottle?

Yes, but leave headspace and close the lid gently — a sealed bottle of just-boiled water builds pressure. Let it stand a minute before drinking from the lid.

The best bottle for both hot and cold drinks

Editorial recommendation · Sources and limitations below

What is the best bottle for both hot and cold drinks?

One bottle for tea in the morning and iced water in the afternoon means vacuum insulation and a mouth wide enough to clean between them — the Fressko Move 500ml does both, holding around 12 hours hot and 24 hours cold.

EvidenceVacuum-insulated 18/8 stainless rated for hot and cold; the removable infuser lifts loose leaf out so tea flavour does not carry into the next fill.

Our pick

Fressko Move 500ml Bottle

90/100

Brand: Fressko
Capacity: 500ml
Insulated: Yes
Price: AUD54.95

Read the full Fressko Move 500ml Bottle review →

Runner-up

Fressko Move 660ml Bottle

The 660ml if you want a full day of water without refilling.

Scored 91/100.

See the Fressko Move 660ml Bottle →

How we decided

Every product carries one 0–100 overall score built from the same six sub-scores: seal integrity, thermal performance, cleanability, materials safety, repairability and cost per year of ownership. Category-specific weightings are published on each product page.

The Reusable Edit is independent and takes no payment for coverage. Outbound retail links are affiliate-tracked; commissions never change a score or a ranking.

Sources & evidence

Every verdict on this page is traceable to the 5 references below — our own bench testing, manufacturer documentation and independent published testing. Where evidence is thin, we say so in the text rather than rounding up.

The Reusable Edit bench testing protocol — seal, thermal decay and cleanability methodology. reusableedit.com/about
The Reusable Edit lead-free reusable drinkware comparison — brand-by-brand base-seal construction. reusableedit.com/comparisons/lead-free-reusable-drinkware
Fressko product documentation — materials, capacities and care instructions (manufacturer).
The Reusable Edit Bench Lab — Edit Score methodology and per-product measurements. reusableedit.com/lab
UK Government / WRAP guidance on reusable cup break-even use counts and life-cycle comparison.