The Portland Design Works Otter Water Bottle Cage is both practical and cute. Made from 5052 aluminum alloy, this bottle cage firmly holds standard sized water bottles while adding some cuteness to your bike. Features: Cute otter design holds water bottles securely Made of 5052 aluminum alloy 10% of the profits donated to organizations that protect wildlands and wildlife Specifications: Mount: Frame Material: Alloy Application: - Color: Grey Weight: 60g