Upgrade to PRIORITY MAIL for faster shipping! I ship out of Seattle so customers in WA should receive their package in 1-2 business days. Customers in OR should receive in 2-3 days. Customers in CA and rest of US should receive in 3-4 days. MAKE YOUR DAY MORE EXCITING - Survive those Hot Summer Days when you drink an ice cold beverage out of a Sunkiss ThermoC Logo Color Changing Pint Glass. Or give yourself a well-deserved break at work and enjoy the color changing wonder. Boost your mood every time you drink out of a Sunkiss Pint Glass...... 2 DESIGNS IN 1 GLASS! BEFORE COLOR CHANGE - Before pouring an ice cold beverage into your glass you will see the white University of Washington logo DURING COLOR CHANGE - As your glass begins to fill with your cold drink the logo will begin to change color! AFTER COLOR CHANGE - Once the color changing phenomenon is complete you will be able to enjoy your beverage with the purple UW logo on your brand new glass! FEATURES - Cold Sensitive Glass - The Perfect Gift/Present! - Logos on Both Sides of the Glass (2 Logos) - Always Know Whether Your Drink is Lukewarm or Cold - Show off your School Spirit at Home or Work - Perfect for Your Favorite Ice Cold Beverage - Amaze family, friends, kids, co-workers and allow them to witness "magic" right before their own eyes! - Official Collegiate Licensed University of Washington Product - 15% of proceeds goes back to university athletics/student athletes - A SEATTLE BRAND - Created by a Local UW Grad ('13) - Go HUSKIES! Special Care Instructions: - Wash Before First Use - Hand Wash ONLY - Gently wash outside of glass with soft sponge or simply with just water and soapsuds to preserve color changing print - Avoid using tough or rough cleaning tools on outside of glass - Avoid scratching glass with sharp objects or picking at design to help maintain color changing print - Not Microwave or Dishwasher Safe! (Due to the sensitive nature of the color changing print) Product Details: - A Seattle Brand - Created by UW Grad ('13) - 16 Fl oz/473 ML - Lead/BPA Free - Cold liquid needs to be a maximum temperature of 10C/50F (cold tap water) in order for glass to change colors - Recommended temperature is around freezing level -6.67C/20F (ice cold water) for optimal color changing - Note: Before color change, when not in use, logo on glass may change color even without cold beverage inside it due to cold room temperature. Rinse with warm water to change back to beginning stage (white logo) - After color change, you might also notice logo temporarily change back to original color (white) if you touch with your hand due to warm body temperature