Material: Made from BPA-free polyethylene terephthalate glycol (PETG) for durability and safety. Capacity: 2.6L large capacity to meet your daily hydration needs. Design: Unique dumbbell shape with handle and push cap for easy carrying. Leakproof: Dustproof and leakproof lid to prevent spills. Reusable: Durable and reusable for long-term use.