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Most Helpful Customer Reviews
23 of 24 found the following review helpful:
 Holds Heat...But Doesn't Hold Up! Jan 15, 2007
By E. Dennis
These packs are great to microwave and use when heat is needed, especially on your lower back after a long day! They hold the heat a very long time. The drawback is that they tend to blister and burst with repeated use. Even if they are not overheated in the microwave, they do not last very long. It seems like one area will always get very hot and blister the plastic pac, while another area is still cold. I still purchase them, as I have not found a better product, but the plastic bag that holds the heating "goop" could be thicker to prevent blistering.
24 of 26 found the following review helpful:
 Super pack for icing you back! May 06, 2007
By Danita L. McDonald
I purchased this pack to use for a back injury. It is a wonderful ice pack . . . wide enough to ice the whole lower back. It is great for driving (I use it when I commute to and from work). I shopped around and looked at several comparable ice packs before finding this one. For the price, you can't beat it. Similar packs cost twice as much or more. Although it can be heated, I have not used it as a hot pack -- some of the remarks made by other customers say the cover blisters and tends to wear when used as a heated pack. As a cold pack, it is perfect. I am sure you will be as satisfied with your purchase as I have.
14 of 15 found the following review helpful:
Long-lasting and fast freezing Jun 26, 2008
By My kids' & kitties' Mom
"Diana T"
I have a back injury that leads to severe inflammation. I've tried several cold packs but they all fall far short of the kaz Smarttemp. I have 2 of them that I alternate in the freezer (or microwave). It takes about 30 minutes for the Smarttemp to become very cold, about 1 hour to freeze to a semi-rigid (but completely pliable) state and lasts about 30-45 mins. I have even put them in our ice chest while camping and they are very cold after 2 hours. I don't use the heat as much, but when I have it has lasted about 20-30 mins.
It comes with a soft cover, which I recommend you remove while freezing or heating (it just heats/freezes faster if its not on). The seams have come apart on both of them, but please understand that I use these several times a DAY. Taking them in and out of the case over and over and over again. I don't blame the product but my constant abuse of it. I've used both of them daily for over 6 months and they are are just now starting to wear out...not because the product is defective, but because I have a cat who thinks he's a polar bear and loves to sleep on them and lick them..and has bitten through in a couple of places. They are still usable, however.
If you need a durable heat/cold pad that is comfortable to use, this is the one!
6 of 6 found the following review helpful:
Excellent May 25, 2008
By Tom Marks
As one other reviewer noted, they can rupture and become unusable -- we have lost 2 over the past couple of years since we started using them. However the malleability and comfort make these far better than any other heat pad we've ever used. I typically use it for a neck ache or lower back ache and the way it comfortably conforms to my neck or back is wonderful. My wife loves to heat one up and take it to bed with her or to settle into a chair to read on a chilly evening. Also, the convenience of heating it in the microwave oven, vs. having to plug it in, is really nice. Highly recommended -- recommend that you buy a spare.
4 of 4 found the following review helpful:
Great for warming the sheets too! Jan 10, 2010
By Mary D
"seenumall"
I purchased this item for shoulder & elbow pain. I've never used it as a cold pack; just for heat. It does get extremely hot and holds heat for some time if you heat for maximum time safely allowed. My favorite reason to use it: to warm my sheets in the winter! Under the covers, it holds heat almost all night to keep my feet warm. Unfortunately, after many, many uses, it did burst in the microwave. There was no mess, though - only a hole in the bag. I am just about to purchase another one.
See all 24 customer reviews on Amazon.com
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