Personalized Atlantis Thermosteel Water Bottle (Milton)Features: The Milton insulated bottle is a reliable travel companion that keeps hot and cold beverages enjoyable for long periods. It has a leak proof design and is easy to maintain, making it perfect for gym, school, or travel. The lock protected lid and sleek structure make it convenient for day trips or hikes. It comes with a 1 year warranty and is made of durable 18 8 stainless steel with an inner copper coating for better temperature retention.