CamelCamelCamel
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Same price as the 12 Cube but this is obviously better value. I got a couple from the last deal in March and has worked like a treat.
Multiple layers of polyethylene are heat-sealed together to create a strong, insulating bond
Silver reflective backing provides an extra layer of insulation increasing cold retention
Contains only purified water
Remains flexible when frozen
Reusable and durable
Have purchased 2 of these the last time they were on sale. In my experience they weren't very good and one began leaking within a couple of days. It's a shame as every other Thermos product I've owned have been excellent.