AS Material. Double Wall Construction For Insulation Of Hot Or Cold Liquids. Snap-On, Spill-Resistant Thumb-Slide Lid. Meets FDA Requirements. BPA Free. Hand Wash Recommended. The 24 oz Biggie Tumbler with Lid is perfect for enjoying your favorite drinks on the go. Its double-wall construction ensures your beverages stay hot or cold for longer, making it ideal for both coffee lovers and iced drink enthusiasts. The snap-on, spill-resistant lid adds convenience, allowing you to sip without worrying about spills. A great promotional item for businesses in the beverage industry, it can be customized with your brand logo.