40oz stainless steel tumbler with dual-wall vacuum insulation for 24-hour temperature retention, keeping drinks hot or cold all day. Features a leak-proof design with a secure screw-on lid and included straws for convenient sipping. Premium 18/8 stainless steel construction ensures durability and rust resistance, while the sleek brushed finish adds a modern touch. Ideal for outdoor adventures, office use, gym sessions, or travel. Lightweight yet sturdy, designed for easy carrying with a comfortable grip. BPA-free materials guarantee safe drinking, and the wide mouth allows for easy cleaning and ice filling. A versatile, stylish, and eco-friendly alternative to disposable cups. Perfect for daily hydration needs, whether at work, home, or on the go.