Zippo Stainless Bottle is made of durable stainless steel and has a push button lock for opening the drinking cap. The Zippo Insulated Bottle has silicone rubber seals inside the lid to prevent leakage and double wall construction. The 7550-55 is designed for warm or cold beverages and has an easy grip curved body. The Zippo Stainless Bottle holds 17 ounces.