Shipped from Hong Kong. It is small and easy to carry, but keep you in warm any time. Covers help the heat last longer and are a great way of protecting your skin during use. Non-toxic, hygienic, able to withstand the heat and cold of a product. Do remember to keep the water to two thirds full and avoid using boiling water in case it may damage the rubber. Don't forget to smooth out the extra air and take the bottle upside down for leakage checking.