diminishes the requirement for expensive twofold measuring and sleeves agreeable, durable, non-slip feel item contains approx 80% compostable cellulose fiber by weight. ideal for any event: family gathering, family party, christmas holiday,office or outing, outside bbq, outdoors and travel. extraordinary use with any hot drink: coffee, cappuccino, latte, dessert espresso, cocoa, tea, chocolate, hot lemonade or boiling water.