18/8 stainless steel jug with double-wall vacuum insulation is designed with 1 In. FatLid insulation for maximum ice retention, as well as for hot beverages. Easy-grip stainless steel handle with secure rubber grip allows for optimal control, whether driving a boat or navigating mountain terrain. MagCap lock is fully secured with an integrated MagCap dock. No Sweat design. Shatterproof. BPA free. Dishwasher safe. 5 year warranty.