Purple Hot Water Bottle Illustration

Here's a straightforward illustration of a classic hot water bottle, presented in a calming shade of purple against a solid dark background. You can see the familiar diagonal ridges running across its main body, a distinct screw-top opening at the top for filling, and a small, raised oval detail in the middle, plus a little hole near the bottom. It's a simple, comforting image often associated with warmth and soothing aches.

hot water bottle - purple - illustration - warmth - comfort - soothing - rubber