Enhanced Smartgrip technology to avoid spill. Works on all smooth flat surfaces like your desk or table BPA - Free, Leak Proof & Car Cup Friendly 6 Hours Hot / 24 Hours Cold, Triple Wall High-grade stainless steel 360° drinking feature- With a push of a button, you can drink from anywhere along the Lid! Perfect while driving! Condensation-free i.e. Mighty Mug exterior will remain dry, even on hot days