BUILT BY YOU: each Planet Bottle is made using the equivalent of around 15 plastic bottles, sourced from community projects in schools. TRAVEL FRIENDLY: Planet Bottle is lightweight, robust and 100% leakproof; it fits most car cup holders, and its lid doubles as a cup. HUMAN FRIENDLY: this innovative bottle is 100% BPA free and will never leach toxins or odours, even with hot drinks. USEFUL INFO: BUILT water bottles come in 4 distinct colours; they are microwave safe and include a 12-month guarantee.