The BPA-free travel tumbler has stainless steel outer and inner walls. Double-wall vacuum insulated. Keeps drinks hot or cold for hours (keeps cold up to 12 hours and keeps hot up to 8 hours). Spill-resistant slide lid with rubber gasket. It’s sweat-resistant, ships assembled and hand wash recommended. Its size is perfect for all kinds of occasions and receptions. Add your school, sports team, club, organizational or company logo or message through your choice of imprint processes to create a promotional item that makes a wonderful gift or giveaway for all occasions and events. Measuring 17oz, this custom 17oz gradient portable stainless steel insulated tumbler with custom logo. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: BPA-free, leak-proof, travel-friendly.