Mainstays 40 oz Stainless Steel Tumbler with Straw and Handle, Double Wall Insulated, Black

Meet the Mainstays 40 oz stainless steel tumbler—designed for reliable daily hydration at home, work, or on the go. With a generous capacity, a durable food-grade stainless steel build, and a lid, straw, and large handle included, it’s built to be your everyday drinkware companion.

• Capacity: 40 oz (1.18 L) to keep you hydrated with fewer refills throughout the day.
• Material: 18/8 recycled stainless steel, food-grade and rustproof, designed to resist flavor transfer and maintain a clean taste.
• Insulation: Double-wall vacuum insulation helps maintain beverage temperature and reduces exterior condensation.
• Included accessories: Comes with a lid, reusable straw, and a large ergonomic handle for easy carrying.
• Finish: Black exterior with a stainless steel accent ring for a sleek, versatile look.
• Use cases: Suitable for swimming, sports, travel, camping, parties, and everyday hydration.

With BPA-free construction and a focus on durability, this tumbler provides a practical, eco-conscious option for staying hydrated all day. The built-in handle and spill-aware lid make it easy to take anywhere, while the reusable straw supports a low-waste lifestyle.