Modern Stemless Wine Tumbler - Smiley Riley100% of all proceeds from this cup will be donated to our favorite local 10 year old, Riley, who is battling cancer for the second time. Thank you so much for your support! Dishwasher Safe! Non Slip Silicone Base Patent Pending Lid features push seal and open close toggle Copper Coated Insulation Double Walled & Vacuum Sealed Condensation Free Extras: Capacity: 12oz Temperature: Cold up to 9 hours and hot up to 3 hours Material: Thicker, Professional