Thermos Ice Mat, 12 Cubes

Useful and coldness last long when fully frozen in a well-insulated cooler. (I pre-chill cooler with a separate mat for 2 hours before loading with lunch.) Let them sit after taking them out of the freezer for 3-5 minutes to allow stiff (frozen) seams to soften to avoid possible leaks when packing. Be mindful of contents for sharps that may puncture cube. Used 5 of theses for months and not a leak in sight. I put foil side towards food or drink, not sure if that's correct but it seems fine.

Great in lunch kit!

Fits my sons lunch bag great& very durable

Theses are great. I would have given 5 stars but one broke the first day used. Partly my fault though. Suggest turning cubes away from items in the lunch box to avoid punctures.

These keep my lunch cold...I put too long to put in a gallon bag though (they sweat)...so kind of a weird shape.

Perfect for a small canvas cooler to pack lunch or pop for short trips. Keeps it very cold

The design lets these be wrapped easily around items or to fit any cooler/lunch bag.Great for icing injuries too.

Seems fine, when I need it.

Aún no los he usado pero se ven resistentes, aunque me hubiera gustado que vinieran en dos partes y no uno solo

Good for different uses. Foldable.

Hasta el momento ha funcionado muy bien, aunque no le doy 5 estrellas x que tienen agua y yo pensé que era gel