Hot water bag adopts customized high-tightness bottle stopper, will not leak. PVC will not have a pungent smell like rubber hot water bottle. Hot water bottle with PVC material has non-flammability, high strength, weather resistance and excellent geometric stability. Will not be easily destroyed, high quality, long service life, safe and reliable. SOFT & FLUFFY PREMIUM COVER TO SOOTHE YOU: This hot pack comes with a luxurious faux fur cover. It is ideal for a cozy night with a glass of wine on the couch. Especially in the winter, the hot water bottle with cover will soothe and warm you. KEEPS YOU WARM FOR HOURS: The bottle and cover are designed to retain heat to ensure your comfort. The soft covers distribute the heat evenly and protect you against excessive heating. It is ideal to warm your bed. DURABLE, SAFE TO USE AND ECO-FRIENDLY. CAUTION: an adult should always supervise and never fill with boiling water. EASY TO USE: The hot and cold hot water bottle with wide mouth is easy to fill and use. The hot bag for pain relief is mulitfunctional. Use it for neck and shoulder pain, medical purposes, during pregnancy or as a feet warmer. Just like the classic rubber hot water bottle at your grandmother's place. WE CARE ABOUT YOU: SUNSUM offers premium quality lifestyle products to improve your well-being. Our team is always available to help you get the most out of your purchase. 100% The hot water bag can warm your feet in winter, perfect for pregnant women, baby and if you hate cold or have a camping trip. Fill it with near boiling water, place hot water bottle under the blankets and it has the bed very cozy by the time you get in. The hot and cold hot water bottle with wide mouth is easy to fill and use. The hot water bag for pain relief is mulitfunctional. Use it for treating sore muscles, stress or cramps, arthritis, aches and pains, stiff necks, lower back pain, Gifts for women menstrual cramps and other common aches and can also double up as a cold compress for person with fever or to reduce swelling for minor injuries.