Elite Cannibal XC Bio-Based Bottle Cage. Features: A bottle cage that prioritizes sustainability by utilizing renewable sources Derived from bio-based materials and predominantly utilizes a sustainable polymer sourced from castor beans instead of relying on industrial fossil fuels Reinforced with fiberglass for durability that wraps completely around the bottle and features a elastomer section to accomodate different bottle shapes Specs: Model:Cannibal XC Bio bottle cage Access:top Material:polymer Color:black/blue Weight:34g