We looked into the best hot water bottles available and picked the Premium Classic Rubber Hot Water Bottle by HomeTop as our favorite. It comes with a cute cover, is easy to fill, and retains heat for hours. We have even more great options for you to consider in our best 10 list and a buying guide to help you choose.
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Rubber is also more malleable and easy to bend, so it can be more comfortable to hold or lie in bed with as it's made to withstand being pushed and pulled around. However, rubber does contain latex, and those with latex allergies should steer clear, even if you use a cover with it.
Hot water bottles made of thermoplastic can be either flexible or solid. The flexible ones behave in a similar way to rubber hot water bottles, as they can be bent and manipulated as you please. However, solid bottles are rigid and do not allow for any movement, so keep this in mind if you opt for a thermoplastic bottle.
Despite the fact that some of the best hot water bottles are made from thermoplastic, you may find some quality discrepancies between bottles depending on the company. That's why it’s important to read reviews before buying.
They’re also better for warming larger areas, such as if you’re trying to heat up a bed or even target areas like your abdomen or back. The most common size for hot water bottles is around the two-liter mark, and these are the perfect size for placing on your stomach or your lower back. For heating larger areas such as a bed, you might want to try bottles nearer three liters.
On the other hand, smaller bottles, such as those around one liter, will be lighter when full and are easier to store and take care of. They're also handy for targeting specific areas that might be difficult with a larger bottle, such as your neck or your ankles.
If this is your first hot water bottle or you’re looking into getting a different size or shape, it would be helpful if it came with a cover. It saves you from having to make another order, plus you know that it’ll fit perfectly. Some covers are pretty generic, but there are a few companies that sell their bottles with a wide variety of adorable covers, too.
Covers are intended to be soft to the touch and comfortable to hold, so you'll find many made from materials such as fleece, faux fur, and various knitted fabrics. These covers can often be washed so you can be certain that your hot water bottle will always be clean and soft!
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1. HomeTop Premium Classic Rubber Hot Water Bottle
Best for General Use
6. Arctic Flex Hot Water Bottle
Best for a Tight Seal That Doesn't Leak
9. Rukaza Microwave Heating Bottle
Best for Targeting Smaller Areas
5. Winnprime Hot Water Bottle
Best for Staying Warm Through the Night
2. Samply Hot Water Bottle with Knit Cover
Best Choice for a Stiffer Water Bottle
7. Fashy Hot Water Bottle with Organic Cotton Cover
Best for Targeting Large Areas
10. Peter Pan Long Hot Water Bottle
Best for a Soft and Comforting Cover
8. Nolonger U-Shaped Hot Water Bottle
Best for Warming More of Your Body
Best for Hands-Free Warmth
4. Athoinsu Animal Rubber Hot Water Bottle
Best for Children and Pets
This hot water bottle features ribbed rubber that helps to retain heat and prevent accidental burns. It is extremely sturdy and easy to fill without worrying about spilling. The safety of this bottle makes it great for use in a wide variety of situations.
Reviewers attested to its ability to retain heat for hours, though they did say the rubber can smell pretty strong at first. Some reviewers also report that they didn't receive the knit cover with their purchase.
The material of this water bottle is transparent, making it easy to fill. The stopper doesn't leak and is simple to remove and tighten, plus the bottle can be used with either hot or cold water as needed.
Some reviewers report that the bottle doesn't allow as much heat to transfer through as they would have liked. However, for many the heat was sufficient and they say that the bottle retained warmth all through the night.
This hot water bottle is made completely from food-grade silicone and is microwave safe. It is chemical- and odor-free, and its compact size makes it great for children or for treating smaller areas like the neck or head.
This hot water bottle is made from a high-quality rubber that keeps warm for a very long time, including up to eight hours under a blanket! Unlike most rubber bottles, it has a non-metal neck, so no more accidental burns when pouring it in or risks of rust.
This hot water bottle can handle near-boiling water and the mouth is wide enough to insert ice cubes for use as an ice pack as well. It’s a little stiffer than a rubber bottle, which could be better for you depending on your needs and whether you like the stiffer option.
A few reviewers found that the hot water bottle didn't stay hot long enough for their tastes, and this may be due to the thick cover dulling the heat. However, for many, this bottle was perfect for helping with aches and cramps.
This extra-large water bottle has the largest capacity and size of any other on this list. This additional size makes it ideal for covering larger body parts, such as your back and abdomen, and soothing aches and pains.
The stopper leaked for several reviewers and some also report difficulties in removing the smell from the rubber. However, the cover is praised for how soft it is and reviewers also say that the bottle can stay warm for hours!
The cover that comes with this hot water bottle is made from faux fur and is remarkably soft to the touch. You can choose from several different colors and it is also machine washable. Reviewers love the feel of this bottle and cover!
Some reviewers report leaks from the stopper, so make sure it is securely in place and avoid putting excess weight near the top of the bottle. The bottle can stay warm for several hours and is equally useful as a cold compress.
This extra-long and thin water bottle is ideal for warming your bed or torso through the night. Keep in mind that it's not flexible enough to wrap around your neck unless you greatly underfill it and is best used as a straight bottle.
The stopper can be a little difficult to securely fasten which can lead to leaks if the bottle isn't kept upright. Reviewers also report that filling the bottle from a faucet can be very difficult due to its length! However, the bottle is perfect for snuggling up to throughout a cold night.
Want the relief of a hot water bottle on the go? Try this hot water and waistband combo out! This rubber water bottle comes with a traditional cover, but it also includes a cover that doubles as a waistband.
Although the waistband is generously sized, it may be too large for children or too small for some adults. However, the waistband is soft and comfortable and the pouch inside it can also be used to hold ice as a cold compress.
This hot water bottle with its teddy bear cover is thick, cute, and safe to cuddle, making it ideal for children or pets. The cover allows the heat to seep through without becoming too hot and the bottle will remain hot for around four to five hours.
The smell of the bottle can be a little strong to begin with according to reviewers, and some also report that the seams on the bear can split. However, this cute bear was a big hit with both kids and dogs!
Just be sure to read and follow all directions carefully so that you don’t damage the bottle. If a microwavable hot water bottle is heated for too long, the material can be become damaged and the insides might leak. You should also ensure that your microwave is large enough for the bottle to freely rotate while it heats as if it can't, it will heat unevenly and risk damage.
Although there is no chance of burning yourself from pouring hot water with this type, you do need to be careful when first handling the bottle after it's been microwaved. They can be very hot to the touch, and if you need to put the inner pocket back inside its cover, you should wait before doing so or you might burn your hands.
Place the bottle inside its case so that you're not directly touching the material of the bottle and hold it over the sink. Make sure you have full control of how much water is being poured, as pouring too fast increases the chance of splashes and burns. We would advise using a kettle with a spout as it’ll give you more control than pouring out of a saucepan.
You should also ensure that the water you use has been left to cool for a while and isn’t boiling. Boiling water can not only damage the integrity of the bottle, it will also cause painful burns if you spill any. A few degrees can make a huge difference!
Carefully pour the heated water into it until it’s about two-thirds full. Gently and slowly squeeze out the remaining air, being careful that no water escapes, until the water level rises to just below the top. You can then replace the stopper, making sure it's tight, and turn the bottle upside down to check for leaks.
Chances are that you're using your hot water bottle to relieve pain or to keep warm. Here are some other great products that can up your self-care game even more!
If you're still unable to decide which hot water bottle is best for you, why not check out the best sellers on Amazon?
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