12 oz Vacuum Insulated Stainless Steel features double-wall vacuum insulated stainless steel construction, sleek teardrop design, includes sip-thru rubber-seal plastic lid and keeps drinks hot or cold for up to 6 hours. Great for promotional giveaways, each cup can be customized with your logo or name for maximum brand awareness! Measuring 12oz, this custom large capacity portable egg tumbler (double walled). Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: BPA-free, leak-proof, travel-friendly.