When youre on the go and looking to stay fresh and hydrated, this water bottle will be your bestfriend. Clip it to your pack by attaching a carabiner to the loop cap. The durable stainless steeldesign will withstand any drops or banging against things. Rounded edges make all aspects of theinterior easy to reach when cleaning. It wont retain flavors. Fits most cup holders.40oz.2.5lb.Large 1 ¾” openingMaterials: Durable stainless steelLoop cap to clip onto thingsRounded corners for easy cleaningDoesnt retain flavorsFits most cup holders