The Billy ECO Aluminum Bottle 26oz is constructed from 100% post-consumer recycled Aluminum material. It features a screw-on, spill-resistant FSC®-certified bamboo lid with the flip top integrated straw with wide opening for easy cleaning & refill included durable stainless steel hand loop. The exterior has a trendy glossy finish. This 26oz sports bottle is hand wash only, fits most standard cup holders.