Flip, bite, and sip your way to sustainable daily hydration. The Thrive Flip Straw VSS Everyday Water Bottle features a double-walled vacuum-insulated stainless steel construction that keeps drinks hot or cold. Leak-proof when closed and spill-proof when open, the Flip Straw cap and bite valve interface provide a high flow rate. Odor and stain resistant, dishwasher safe, and free from BPA, BPS, and BPF.