40oz Foldable Straw Lid Double-Layer Insulated Tumbler 40oz Capacity: Enjoy ample hydration with a generous 40oz capacity, perfect for long journeys, gym sessions, and daily hydration needs. Foldable Straw Lid: Conveniently sip on the go with the innovative foldable straw lid, designed for easy access and spill prevention. Double-Layer Insulation: Keep your beverages at the perfect temperature for hours, thanks to the advanced double-layer insulation technology. Durable and Stylish: Crafted from high-quality materials, this tumbler is both durable and stylish, making it a perfect companion for any occasion. Eco-Friendly Choice: Reduce waste and make an eco-friendly choice with a reusable tumbler, contributing to a sustainable future.