Cooling bottle: Get a 500ml thermal bottle. Designs: Option of eight gorgeous designs (see below). High-quality material: Made from stainless steel on both the inside and outside walls. Trendy: A super cool design that is great for helping you stay hydrated wherever you are. Lightweight: Perfect to keep in your bag for your morning commute or for outdoor activities. Durable: Rust-proof and leak-proof. 500Ml Thermal Bottle | Black | Living Social