Come and Check Our Branding Solutions.The body of this sports water bottle is made of aluminum. Drinking cap with plastic thread and carabiner. It allows you to buckle on your backpack when you are exercising or climbing, making it easy to carry. A great giveaway for sporting events, trade shows, conventions and more, this product can be customized with an imprint of your company name, logo and more for increase corporate exposure Pls check inventory and detailed info before placing your orders.