Cold nights in the tent or on the sofa start with cold feet. This large hot water bottle holds 2 litres of hot water and gives off steady warmth for hours, so your sleeping bag is warm before you climb in.
Fill it two thirds with hot (not boiling) tap water, let the air out and screw the cap down tight: the leak-proof seal keeps every drop inside. The odourless soft PVC body has a ribbed half for grip and a smooth half that feels pleasant against your skin. At 19.5 x 30 cm (7.7 x 11.8 in) it is big enough to warm your feet or lap and still packs into a camping bag. Rinse it once with warm water before first use.
Key Features:
Activearo builds gear for the long day outdoors. Fill it, cap it and stay warm all night.
Free shipping in the United States and the United Kingdom.
Check our Shipping Policy for more information.
If you decide to return the items for whatever reason you may do so within 30 days from the day that you received them. Read more in our Return and Refund Policy.
Overall rating: 4.8 / 5 from 17 reviews.
The ribbed surface is a thoughtful detail because it gives the bottle a little more texture to hold onto when filling it. The two-liter capacity also seems practical for a long evening on the couch.
Jordan B. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
This is the kind of practical item I would keep in the bedroom during winter. The raised texture is a nice touch and the overall design looks easy to store when empty.
Quinn B. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
The cap design matters more to me than decorative features on something like this. This model appears to focus on the essentials, which is what I would want.
Avery P. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
The larger size is what caught my attention. It looks more useful for warming a bed than the smaller bottles I have seen, although it would obviously be heavier when full.
Logan H. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
The wide, traditional shape seems convenient for resting against your back. I would still wrap it in a towel before putting it directly against skin, especially right after filling.
Dakota L. 4/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
I appreciate the straightforward design. No extra cover or complicated parts, just a generously sized hot water bottle that can be tucked under a blanket on colder nights.
Sam E. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
The bottle has a classic shape rather than anything gimmicky. My main consideration would be leaving enough room when filling and checking the stopper each time.
Bailey E. 4/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
The size is a definite plus for someone who wants warmth across a broader area. I would not expect it to replace heating, but it seems handy for localized comfort.
Alex L. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
Practical, uncomplicated and large enough to be useful around the house. I would have liked to see a matching cover included, but that is easy enough to add separately.
Ellis B. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
I prefer a hot water bottle without a bulky built-in sleeve because I can choose my own cover. The ribbed exterior makes this one look like a sensible basic option.
Jesse H. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
A simple two-liter bottle is useful for cold feet before bed. I like the textured exterior, though I would definitely use a fabric layer between it and my skin.
Sydney T. 4/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
The two-liter volume makes sense for winter use. I like the idea of preparing it once in the evening rather than needing to refill a tiny bottle repeatedly.
Jamie T. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
It is nice to see the ribbed grip on both the functional and comfort side of the design. Simple products like this really depend on the cap fitting securely and being easy to handle.
Skyler P. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
The two-litre capacity is a practical size for a hot water bottle at home.
Ella G. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
Classic shape and simple design. Clearer information about the cover would be useful.
Oliver V. 4/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
Looks like a sensible option for keeping warm on chilly evenings.
Mia P. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
The wide neck shown in the photos looks convenient, though I'd still follow the filling instructions carefully.
Ryan E. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
Early Black Friday
Our biggest sale is live: up to 40% off sitewide on jackets, boots and outdoor gear for the winter ahead.
Sizing can vary from piece to piece. If there's a size chart on the page, that's your best guide. Not sure, or between sizes? Email us your usual size or measurements and we'll point you to the right one. Quicker than guessing.
Yes. If it doesn't fit or isn't what you expected, send it back within 30 days of delivery for a refund or exchange.
Every piece is picked for real field use. Trail, water, and hunt, not the shelf. Check the specs on this page for the exact materials and features so you know what it's made for.
Ask us about fit, fabric, or specs, email info@activearo-outdoor.com or use our contact page and a real person gets back to you.
Once it ships, you'll get a tracking link by email so you can follow your package the whole way. You can also track anytime at activearo-outdoor.com/apps/parcelpanel with your order number.
Most of our apparel: machine wash cold, hang dry, skip the bleach and the iron. Always follow the care label on your specific item.
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Overall rating: 4.8 / 5 from 17 reviews.
The ribbed surface is a thoughtful detail because it gives the bottle a little more texture to hold onto when filling it. The two-liter capacity also seems practical for a long evening on the couch.
Jordan B. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
This is the kind of practical item I would keep in the bedroom during winter. The raised texture is a nice touch and the overall design looks easy to store when empty.
Quinn B. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
The cap design matters more to me than decorative features on something like this. This model appears to focus on the essentials, which is what I would want.
Avery P. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
The larger size is what caught my attention. It looks more useful for warming a bed than the smaller bottles I have seen, although it would obviously be heavier when full.
Logan H. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
The wide, traditional shape seems convenient for resting against your back. I would still wrap it in a towel before putting it directly against skin, especially right after filling.
Dakota L. 4/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
I appreciate the straightforward design. No extra cover or complicated parts, just a generously sized hot water bottle that can be tucked under a blanket on colder nights.
Sam E. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
The bottle has a classic shape rather than anything gimmicky. My main consideration would be leaving enough room when filling and checking the stopper each time.
Bailey E. 4/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
The size is a definite plus for someone who wants warmth across a broader area. I would not expect it to replace heating, but it seems handy for localized comfort.
Alex L. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
Practical, uncomplicated and large enough to be useful around the house. I would have liked to see a matching cover included, but that is easy enough to add separately.
Ellis B. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
I prefer a hot water bottle without a bulky built-in sleeve because I can choose my own cover. The ribbed exterior makes this one look like a sensible basic option.
Jesse H. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
A simple two-liter bottle is useful for cold feet before bed. I like the textured exterior, though I would definitely use a fabric layer between it and my skin.
Sydney T. 4/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
The two-liter volume makes sense for winter use. I like the idea of preparing it once in the evening rather than needing to refill a tiny bottle repeatedly.
Jamie T. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
It is nice to see the ribbed grip on both the functional and comfort side of the design. Simple products like this really depend on the cap fitting securely and being easy to handle.
Skyler P. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
The two-litre capacity is a practical size for a hot water bottle at home.
Ella G. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
Classic shape and simple design. Clearer information about the cover would be useful.
Oliver V. 4/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
Looks like a sensible option for keeping warm on chilly evenings.
Mia P. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
The wide neck shown in the photos looks convenient, though I'd still follow the filling instructions carefully.
Ryan E. 5/5
Hot Water Bottle - Large 2 Liter Leak-Proof Hot Water Bag with Ribbed Grip
