These 20 oz. tumblers are insulated allowing cool liquids to stay cool up to 24 hours and hot liquids hot for up to 12 hours and the clear lid is a sipping lid. They come in 7 different colors; dark grey, purple, red, maroon, blue, white, and black. These tumblers have been lasered with the phrase "Some of my greatest blessings call me _________." and the word at the end can be Mother, Mama, Mom, Grandma, Grandmother, Nana, or whatever your children and grandchildren prefer to call you. This makes a great mother's day, birthday, christmas, or anytime gift! This is a sure way to let that special woman in your life know that you appreciate her and will be a gift she will use every day.