BEST GIFT FOR YOU! Perfect for travelers, students, truck drivers, bus drivers, taxi drivers, teachers, Mother's and Father's Day gifts, Christmas gifts, BBQ experts, party cups, sailors & more. You can take this tumbler anywhere: indoors, outdoors, sports, traveling, camping, driving & office. The shape of our tumblers fits normal-sized cup holders. FEATURES OF Azala20 Oz STAINLESS STEEL TUMBLER. This double-walled tumbler offers all the benefits of stainless steel and can be enjoyed with legendary and beloved exclusive Azaladesigns Splash-proof shatter-proof and easy-close lid Up to 24 hours ice cold or 8 hours piping hot Comes with a standard lid and a Limited 5-Year. TIPS: 1. Wash these cups with sponge cloth or sponge ball dipped into warm water, and set aside to air dry. Do not use cleaners containing bleach, chlorine, abrasives, and/or harsh chemicals. 2. Please do not wash it in the dishwasher in case that the Tumbler would be scratched. 3.There is a straw hole on the lid, please do not invert the cup to avoid pouring. 4.To protect your child, please cover the cap after adding the hot water. Please do not use the microwave oven for heating. 5. When filling vessels with boiling liquid, allow the liquid to cool down with the lid off for at least 3 minutes before attaching the lid.