Chantal Memory Collection Single Serve Stainless Steel Easy Travel Mug, Purple Triple-wall vacuum seal; will keep beverage hot for up to 7 hours Simple push-button top allows you to drink from any side of the rim Easy to operate with just one hand- entire mug is top-rack dishwasher safe Made of stainless steel; BPA free plastic top 5% of Chantal's sales on this item will be donated to the Alzheimer's Association