Made from BPA-free material * Patented autoseal lid is 100-percent leak-proof and 100-percent spill-proof * Drinking made easy; Press to sip; Release to seal; autoseal automatically seals between sips to ensure no spills * Patented carabiner clip on the handle allows you to take this mug wherever you go, attach it to a bag strap for hands-free portability * Patented lid technology optimizes flow control to make the bottle easy to drink from