Core Products Soft Comfort CorPak, No Frost Hot and Cold Therapy Pack - 6" x 10", Made in The USA- 2 Pack

These are awesome! Love how easy they mold to whatever part of your body you use them on.

Once I used a couple of these at someone else's house, ordering my own was a no brainer. You can freeze them for always ready ice packs or nuke them, they hold the heat or cold for a decent length of time, they're portable (great for travel) and flexible to mold in various ways. Highly recommend!

The best ice packs I've ever used - comfortable covering (like flanelette), stay frozen longer, fully flexible when frozen so they can be molded around a joint.

Freezes well, I'm not sure exactly how long it takes though. Love that it doesn't frost. Heats in about 30-40 seconds, I personally like a somewhat hot heating pad but the corners did slightly burn my lower back when on direct contact with my skin after 40 seconds of microwaving. Loses heat after 15-20 minutes so if I want to use it for longer, I'll pop it in for 10 more seconds. I like the texture of the pad and it's nice that it's pretty flat so it stores well.

I like the softness of the casing. The therapy pack holds its shape well and lasts for quite awhile once it's taken out of the freezer for use. I haven't used it as a hot pack yet. It's easy to use and is slim enough to fin on the freezer door without being too bulky.