We recommend reusable water bottles with a CHOICE Expert Rating of 75% or more.

This overall score is based on performance (50%) and ease of use (50%).

We assess ease of carrying, opening and closing, drinking and dismantling to clean. We also look for leaks, condensation, odd tastes in the water and any spills while drinking.

We measure the time it takes for chilled water (approximately 3°C) to reach 11.5°C with the lid attached. The surrounding ambient air temperature is maintained at approximately 24°C. Cups with a higher score kept the water cool for a longer period of time.

Recommended retail price at the time of testing.

As claimed by the manufacturer.

The measured height of the bottle, in centimetres.

Whether the bottle isa free of bisphenol A, as claimed by the manufacturer.

Double wall insulation can make the bottle easier to hold as it reduces condensation buildup on the exterior layer. It also helps keep liquids cool.