Why not express yourself with a design on an insulated tumbler tailored especially for you?Love correcting grammar and teaching others how to properly write? Share you love for the English language and books with this grammar insulated travel mug! English teachers and majors, or just grammar fanatics, can all agree, people really need to work on their grammar! This funny grammar insulated cup makes a great back to school gift for any teacher, or any grammar fanatic! No More Tacky Stickers!Your double-wall, vacuum insulated tumbler is permanently printed on one side only using the studio-grade professional sublimation process. This dye transfer process embeds the image into the surface for a lifetime and will not wash off, fade away, peel, chip, or crack unlike other methods.Quality ConstructionMade with 18% Chromium/8% Nickel stainless steel, your tumbler cup is crafted with a seamless interior to eliminate the potential for rust or stains. Their vacuum insulation keeps your drink hot or cold for hours and will not sweat like many non-insulated travel mugs.Put Your Mind at EaseWe made your life easier with a splash-proof BPA-free slider lid for less spills and a silicone straw for easy drinking and cleaning. The specially designed narrower base allows your tumbler to fit most standard cup holders while maintaining great stability.Get Your Unique Tumbler Today!NOT MICROWAVE SAFE.NOT DISHWASHER SAFE. HAND WASH ONLY RECOMMENDED.*Due to monitor differences, actual colors may vary slightly from what appears online. While we pour all our love into each item, the hand-crafted nature of these products may produce minor imperfections and inconsistencies.