The 16 oz. Insulated Stainless Steel Fluted Travel Tumbler by Planet Zak from Zak! Designs are one durable tumbler that will keep your favorite beverage at the perfect temperature. Designed with utility and versatility in mind, it is durable and won't retain past flavors or odors. Constructed with double wall insulation this tumbler will keep drinks hot longer while maintaining a comfortable exterior feel. For best results in beverage temperature retention, rinse the tumbler with hot water just before filling. The Liquid Lock Slide lid has a one-hand operation for easy drinking and creates a leak-proof seal when closed. The tumbler will fit under most single-serving coffee brewers and fits in most car cup holders, making it perfect for use at home, in the office, or on the go! Handwashing is recommended for the tumbler and will extend the life of the lid, but the lid is dishwasher safe and disassembles for easy cleaning. The stainless steel and plastic are BPA-free. The pearlized colors are trend right and match back to popular colors in personal technology. Made by Zak! Designs, is a company that offers travel ware and products at the forefront of trends for contemporary and on-the-go lifestyle.