The borosilicate glass drink bottle features a secure screw on bamboo lid, and it is light enough to take anywhere. It is great for hiking, camping or any outdoor activities. Borosilicate is a lightweight glass that is exceptionally strong and shatter resistant. Glass drink bottles are a great environmentally friendly choice. This product is not intended to be used with carbonated or hot liquids, and handwashing is recommended. You can choose to add a protective soft-touch silicone sleeve or a neoprene sleeve that can be printed with any logo.