Reduce 20oz Aspen Vacuum Insulated Stainless Steel Glass Tumbler with Lid and Straw Sand Includes 20 oz Aspen tumbler with lid and reusable straw • Twist & Pull to separate glass, separate parts for washing • Easy to clean, dishwasher safe • Keeps drinks cold for up to 12 hours • Soft Sit(TM) base • Dual-Wall vacuum insulated stainless steel outer and Borosilicate glass inner • Extra-wide straw for boba or smoothies! • 18/8 food-grade stainless steel & BPA free Smoothies, boba, iced lattes and more, the Reduce Aspen tumbler does it all and looks good doing it! Enjoy the pure taste of glassware with the function of vacuum insulated stainless steel thanks to Aspen's hybrid design. This versatile tumbler holds 20 oz of your favorite pick me up and keeps beverages cold for up to 12 hours, making it perfect for your busy days. With its Soft Sit base, Aspen keeps your tumbler (and furniture) lookin’ good and safe from mishaps. With the Reduce Aspen Tumbler in hand, you'll savor the perfect fusion of taste and performance.