• Dimensions: 7.5 inches long in diameter, 1.5 inches thick.
• Mult-layer Insulation: Multiple layers of high-quality materials with insulating fibers and coated thermal film.
• Long Heat Preservation Time: It can effectively extend the cold or warm time by 2-4 hours, which is a good helper for you when traveling.
• Zipper Closure: The zipper closure design helps control temperature and ensures your items are safer, and the handheld design is also more convenient for use on the go.
• Wide Range of Uses: not only can be used to store Neck coolingtube, but can also be used to store fruits and take them outdoors.