· 100 percent BPA free· Patented Autoseal lid is 100 percent leak proof and 100 percent spill proof· Wide opening fits ice cubes· Top rack dishwasher safe· Fits in most cup holders· 100 percent BPA free· Patented Autoseal lid is 100 percent leak proof and 100 percent spill proof· Wide opening fits ice cubes· Top rack dishwasher safe· Fits in most cup holders· Lifetime warranty