Tree-Free Greetings cc33791 Hilarious Aunty Acid Double-Walled Cool Cup with Reusable Straw, Time Flies, 16-Ounce Quality 16 ounce double-walled acrylic cool cup with reusable straw BPA Free and Proposition 65 compliant For cold beverages only - resists condensation Handwashing recommended "Time flies when you're having rum."