tainless steel inside and out, making it a trustworthy companion to travel with. Its vacuum insulated construction keeps both hot and cold beverages pleasant to consume for long durations. The leak-proof construction and hassle-free maintenance make it an easy choice for your gym, school, or travel needs. The sleek structure of this Milton bottle makes it ideal for carrying with you on any day-trip or hike. Its slender and compact shape allows it to be slipped into the side compartments of your backpack for easy access. The leak-proof lid keeps your drink secure the whole time. There is an additional loop at the back which can be used to carry the bottle with your hand as well.