the cooling cushion&mattress can keep constant temperature for 6 to 8 hours.

Features:
1) While purchasing, it is convenient to be carried (its weight is only
hundreds grams). Additionally it is easy to be transported in batches
2) While sitting on it, you will feel soft and comfortable. The liquid inside
will not shake excessively
3) It can automatically absorb heat to refrigerate and automatically
dissipate heat to form crystal
4) It is able to bear a pressure more than 150kg without being
broken
5) Since it can dissipate heat, eliminate heat rash, lower the temperature
and refrigerate, it can yield remarkable and supplementary curative
effects to hemorrhoids, high blood pressure, insomnia due to high
temperature and long-term lying in bed
6) It is especially suitable for sedentary office clerks and drivers
7) It allows repeated usage and its service life could reach five years.

Ice blended  cushion &mattress:

1,internal material: phase change energy storage material

2,external material: PVC,TPU composite waterproof fabric

3,The cooling cushion is Quite soft,innoxious,shapely and scentle.

4,size:30*15cm,20*35cm.30*35cm,40*40cm,45*40cm,45*90cm,90*90cm,90*140cm.

Please contact me for more info.