Keep yourself fit and hydrated with the Ultimate Direction(R) 1.5 L Reservoir Insulated. It features a wide-mouth opening, a Plug-N-Play(TM) drink tube disconnect that makes refilling easy, a high-flow bite valve that makes hydrating timeless, and durable TPU tubing that drapes better over the shoulder. BPA-free and PVC-free construction. Self-seals to eliminate dripping. - Measurement: -Capacity: 1.5L -Weight: 5.7oz WARNING Californias Proposition 65