1.What Included: 12 Straight Stainless Steel Tumblers and plastic straws. 2.Customizable Surface: Sublimation-ready for vibrant designs. 3.Premium Quality: Made from food-grade stainless steel, BPA-free, and rust-resistant. 4.Double-Wall Insulation: Keeps drinks hot for up to 8 hours and cold for up to 12 hours. 5.Perfect for Any Occasion: Great for home, office, travel, or outdoor activities.