Technology: DuraCoat(TM) Color Technology is built to last with no chipping, fading or cracking 18/8 kitchen-grade stainless steel construction for extreme durability Double-wall vacuum insulation keeps your beverage hot or cold No Sweat(TM) Design keeps your hands and cup dry MagSlider(TM) Lid uses magnets for easy opening and closing, and keeps your beverage cold/warm longer Features: Fits comfortably in your car, boat or truck cup holder Puncture-resistant and rust-resistant for lasting use Lid has a crystal clear and shatterproof design MagSlider(TM) magnets pop off for easy cleaning Dishwasher safe and BPA free Note: This product is not intended to be leakproof and will not prevent spills Specs: Capacity: 10 oz. Empty Weight: 0.7 lbs. External Dimensions: 2.8" x 5.7" Model: 10OZTUMBLER