GET A GRIP ON THIS STYLISH INSULATED ROCKS GLASS The Recess series 10 oz rocks glass with comfort grip gives you a sleek new way to enjoy your favorite beverages in style and with confidence. Featuring no-slip technology both on the bottom and side of the cup, dropping your favorite cup has become a thing of the past. TrueBarrier™ Technology using 18/8 food-grade stainless steel with copper-lined double-wall insulation keeps your drinks at the perfect temperature without watering them down. This insulated cup keeps your cold drinks cold for 18 hours and hot drinks hot for 6 hours. The shatter-proof Tritan lid is provided with a slider to keep your drink from splashing around when on the move. No more spills while getting to your seat and no more accidental breaking!