You won't see these cups leaking, these are fully sealed and perfect for those on the go! Swap the lid direction for a left or right handed cup! Stainless steel Flip Top Lip Rated 6hrs warm and 12hrs cold Sleek design allows for easy cupholder fit *Black includes WashEasy™ Lid — fully removable pieces for true deep cleaning, a secure leak-resistant seal, and a snap-apart design that clicks back together in seconds. No trapped moisture. No hidden buildup. **Do not wash in dishwasher