DescriptionAs a classic home remedy, this large hot water bag is smoothing pain relief for cramps, stress, aching muscles and more. This 2L hot bottle warmer can be used with hot water or frozen for use as an ice pack to reduce fevers and minimize swelling.Feature- Bottle Color: Random. - Cover Color: As shwon. - Material: Medical PVC and acrylic fibers. - Size: About 31 x 20 x 0.5cm. - Knitted water bottle cover prevents the hot PVC bag from being in direct with your skin, plus it has a more personalized look. - Multifunctional: treating sore muscles, stress or cramps, arthritis, lower back pain, menstrual cramps and other common aches, and can also double up as a cold compress for kids with fever or to reduce swelling for injuries - Wide mouth is easy to fill and the anti spurt lip prevent water spitting back out. Retains heat for an extra long time, it will keep you warm for a whole night. - These large hot water bottles are made of Medical PVC, odorless and recyclable. Superior material allows easy filling of cold water and crushed ice.