TECHNOLOGY: AeroLight(TM) featherweight technology uses spun steel, that is 33% lighter than standard stainless-steel drinkware Keeps drinks hot for 6 hours, cold for 8 hours, and iced for 30 hours FEATURES: Made from 18/8 stainless steel Leakproof design has a locking, low-profile drink-through lid Double-wall vacuum insulation Compatible with most car cupholders Dishwasher safe BPA-free SPECS: Capacity: 16 oz. Weight: 0.54 lb. Dimensions: 2.7 in. L x 2.8 in. W x 8 in. H