Prevent embarrassing spills before they happen SmartGrip Technology® makes it nearly impossible to knock this mug over Makes a great gift for friends and family! NEVER WORRY ABOUT SPILLING YOUR COFFEE OR TEA AGAIN! Mighty Mug creates a powerful airlock grip on any flat surface that prevents it from falling over if accidentally bumped or pushed. Say goodbye to frustrating and embarrassing spills! Ready for a sip? It lifts so easily, you’ll think it’s magic!