During the cold winter days and nights, you need a bit of extra warmth with a hot water bottle, but the rubber may feel too hot and uncomfortable, this cover goes over the bottle so it feels softer and comfortable, it also helps insulate the bottle so it stays warmer for longer, helping you through the cold weather. Can also be used all year around for Pain relief. Features: Insulates your hot water bottle to keep it warmer for longer. Adds a soft warm layer to protect you from the hot surface of the bottle. Stay warm and comfortable during the winter, or use for pain management all year around. Team colours and logo design on cover Natural rubber Water Bottle with a 2L capacity Ribbed Water Bottle surface to help control heat Striped and logo'd with your favourite team. 100% Knitted Acrylic. Dislaimer: Do not use boiling water or heat in microwave. Please use caution when using hot water. Contains 1 x Hot Water Bottle and cover Cover. This is a NRL endorsed product.