Keep yourself warm with this hilarious penis-shaped hot water bottle!

The newest way to keep you warm in winter...

We all get cold at night, and maybe even lonely... but that coldness in your bed will disappear with Firebox’s willy water bag!

(Yup, it's actually called that).

"Chilly at night? Not got a hunk to keep your bed warm? We feel ya" the website reads.

"Shiver no more, frigid friend. This hot water bottle will keep you willy toasty even in the coldest of temperatures."

Not only can it keep you warm, but the willy water bag can also relieve any discomfort—sore muscles, joint pains, and even period cramps. 

The water bottle comes in a salmon colour and measures approximately 60 cm in height, 39.6 cm in width, and 3.8 cm in diameter.

So we're pretty sure it's going to be a ladies best friend!

And don't worry, the willy water bag has received some impressive reviews:

"Good size was bigger than expected - five stars"

"What's not to love - it's a hot water bottle shaped like a penis and guaranteed to bring a smile to your face on a very cold night!"

Sign us up!

You can buy the Firebox Willy Water Bag here for £13.99 ($29 NZD).