Contigo Autoseal Bella Double Wall Insulated 14-Ounce Mug , Purple Patented Autoseal lid is 100-Percent leak proof and spill proof and offers convenient one handed drinking Durable double-wall construction reduces condensation and keeps drinks hot for 1 hour Engineered to be top-rack dishwasher safe for easy care Sleek design fits most cup holders for travel Made of 100% FDA-approved plastic materials