Tree-Free Greetings cc33898 Hilarious Aunty Acid Double-Walled Cool Cup with Reusable Straw, Do Not Disturb, 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 "Instead of a sign that says Do Not Disturb, I need one that says, Already disturbed, proceed with caution."