All Simply Drinkware tumblers come with a BPA-free clear sliding lock lid and tapered bottom that fits into standard cup holders for easy travel. With their no sweat exterior, there's no need to worry about damaging desk or table tops. Simply Drinkware is FDA certified. Recommended hand wash only. You can keep your beverages hot or cold for hours on end, making these tumblers the perfect accessory for any season. Can be customized with photos, logos, characters, phrases, among others.