Contigo Autoseal Transit Travel Mug, 14oz - Stormy Weather & Stainless Steel (2 Pack) Vacuum insulated stainless steel travel mugs to keep drinks hotter & colder longer Autoseal technology makes this mug spill and leak proof CleanGuard spout cover protects drink spout when not in use Easy-Clean lid that pivots open for full-access cleaning Fits under most single serve brewers