【EXCELLENT MATERIAL】- Water Bottle Carrier Bag is made of thick 4mm premium neoprene, lightweight, super soft and comfortable, fully effectively your bottle surface from being scratched, scraping, extrusion and so on. Keep the water temperature for a long time. Neoprene material makes it more sturdy and not easy to deform in long time use and the color pattern is a hot transfer technology, which can be cleaned repeatedly and never fade.