Liv PourFast EverCool Bottle features a leak free High Volume Valve, with fine tuned dual thickness body and a cup shape design. 100% BPA free. Insulated to keep your drinks cool in Summer and warm in Winter.Features- High Volume Valve : patented, leak proof valve- Tool free removable valve- Fine-tuned dual thickness bottle body- Cup shape design- 100% BPA-Free - Insulated - keeps contents warm / cool