How long do these stay cool once they've come out of the freezer?

On skin, alternating with a hot pack, about 20 minutes probably more. Certainly long enough for my purposes.

What material is on the outside? Plastic or fabric?

Hi, There could be a mixture as it seems to have a plastic content but with a softer feel to it and the product description states 'Soft coating ensures maximum user comfort and provides durability' , kind regards John Rimedmedicalsupplies

Are these any good for use on the lower back?

I got mine for my knee and providing I hold them in position with tea towels they are excellent, regarding the lower back again it would be holding them in position but sat in a chair with them in position it should not be a problem. I have only used mine from the freezer I have not tried them heated but if they as good heated as they are cold and for the price go for it!

Nope. I use a cotton cloth to wrap around it ... stops it being too hot or too cold on the skin directly.

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Hot and Cold Pack Reuse-able ( Pack of 2 )

Product ID: 47913255

Details

Age range (description)
Adult
Brand
Sure Thermal
Colour
Blue
Material
Gel
Number of items
2
Package information
Pack

💪Durable, reusable 100+ times

🔥Microwave heat in 30s

❄️Freezes in 1 hour

Bs.522

Duties & taxes included

In stock

Sold byAmazon BoliviaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥❄️ Your all-in-one pain relief sidekick for every hustle and muscle!

FREEZE READY - Chill in the freezer for just 1 hour to get instant cold relief when you need it most.
BUILT TO LAST - Tough, PVC-free material ensures hundreds of uses without wear—eco-friendly and cost-effective.
RAPID HEAT UP - Microwave-safe for quick 30-second warming—perfect for busy professionals on the go.
DUAL TEMP RELIEF - Switch effortlessly between hot and cold therapy to target pain your way.
ERGONOMIC GEL DESIGN - Soft gel stays flexible even frozen, contouring comfortably to your body’s curves.

The Sure Thermal Hot and Cold Pack (Pack of 2) offers versatile, reusable pain relief with a soft, non-toxic gel that stays flexible when frozen. Easily heated in a microwave or hot water, or chilled in the freezer within an hour, these durable packs contour to your body for targeted comfort. Ideal for managing sports injuries, tension, and everyday aches, they combine convenience and longevity in a sleek 13x25 cm design.

Specifications

ASIN	B000W08ZA0
Age Range Description	Adult
Benefits	Softening,Cold
Best Sellers Rank	11,448 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 100 in Hot & Cold Packs
Brand Name	Sure Thermal
Colour	Blue
Container Type	Pack
Customer Reviews	4.5 4.5 out of 5 stars (2,459)
Item Dimensions	26 x 13 x 2 centimetres
Item Form	Pack
Manufacturer	Steroplast
Manufacturer Part Number	9612
Material Type	Gel
Material Type Free	PVC Free
Model Name	Hot&cold
Model Number	9612
Number of Items	2
Number of Packs	2
Product Style	Thermal
Size	13 x 25 cm
Special Features	Reusable
Target Use Body Part	Body
UPC	788021001687 798256377655
Unit Count	2 2

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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Bs.522

Duties & taxes included

In stock

Sold byAmazon BoliviaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Bolivia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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