Is the 6.5x11 busy or flat? Looking for one to lay on for back pain

They're all flat and most people can lay on them just fine - if too cold, just take a hand towel, run it in hot water, and then put it over the pack before laying on it - allows you to "ease" into the cold. Also, try strengthening your multifidus muscles for your back pain - see Jim Johnson's stenosis book.

Can this be microwaved and also used for heat pain relief

No, it is used as a cold pack (filled with jell) only.

What is the shelf life of an ice packs packs used by/in physical therapy?

Jane; I am not a PT nor do I have PT professional ties. I had back surgery in 1996, neck surgery in 1996, back surgery in 2005 and back surgery in 2009. I ordered 3 of the black (heavier duty) ColPac's back in 1996 and have used them for pain relief (sometimes several times a day, sometimes not for several weeks but they all reside in my freezer). My first and only ColPac leaked recently (this year) because of my improper use (i applied ColPac then put my back brace over it with pressure and fell asleep). It had a small leak so I trashed it (my fault). The other 2 Colpacs purchased at the same time are still functioning like the day I bought them in 1996. I purchased 3 more just recently to have as backup (I have OCD), but I would say from my experience shelf life has been almost 18 years and still functioning like new. I suggest only buying the black (heavy duty) which seem to be for commercial use, and see them in most PT facilities. Nice thing about these is you apply them and the coldness wears off about 20-25 minutes after applying, so you can fall asleep using them without worrying about keeping the cold on too long and burning your skin. The relief for me has been awesome! Hope this helps! Regards, Bill S

Directions say don't lay on it, but I'm uncomfortable lying on my stomach (lower back issues). Has anyone had problems lying on it on a bed?

My PT suggested this and wants me to lay on it 30 min on then 30 off and so on. I lay on 3 XL ones during PT every time I go for 30 min at a time. Was specifically told to "lay on it". I just make sure to put something between it and myself and no big deal. Yes they do get very cold and stay cold so I would suggest no more than 30 min at any one time and make sure you have a barrier between it and your skin. I even wear a t-shirt with a tank top underneath so I have another 2 extra layers of protection when I use it on my back post back surgery.

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Chattanooga

Product ID: 319227155

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Details

Brand
Chattanooga
Age range (description)
Adult
Number of Items
1
Unit count
1 Count
Special features
Reusable

📏Generous 10 x 13.5 inch size

🖤Durable black polyurethane cover

❄️Long-lasting cold retention

Description

❄️ Chill out in style — your go-to cold therapy essential!

BUILT TO ENDURE - Premium black polyurethane exterior resists wear and tear, perfect for daily use.
LIGHTWEIGHT PORTABLE - At just 3.6 pounds, it’s easy to carry and use anytime, anywhere.
MULTI SYMPTOM SOLUTION - Effectively reduces aches, swelling, bruises, sprains, and inflammation.
FREEZE RELIEF ON DEMAND - Reusable gel pack chills quickly for instant cold therapy wherever you need it.
PERFECT FIT FOR MAJOR JOINTS - Sized to comfortably cover knees, shoulders, elbows, and back for targeted relief.

The Chattanooga ColPac is a durable, reusable gel ice pack measuring 10 x 13.5 inches, designed for effective cold therapy on knees, arms, elbows, shoulders, and back. Its black polyurethane cover ensures long-lasting durability, while the lightweight 3.6-pound design makes it easy to use for reducing aches, swelling, bruises, sprains, and inflammation.

Specifications

Weight	3.6 Pounds
Units	1 count
Brand	Chattanooga
Format	Pack
Age Range Description	Adult

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