Our 20 oz bottle is made of biodegradable wheat straw. It features an easy grip, a wide drinking spout, a spill-proof cap, and a convenient carry loop. Its rugged & sturdy construction ensures that it can handle the bumps & knocks of everyday use, making it a reliable partner for fitness journeys. Customize this item with an imprint of your company logo for maximum brand exposure. Drop me an email and you will receive brilliant service then!