The durable Marco Double Wall Bottle by Avex has double-wall construction that insulates to keep water cold for up to 2 hours and minimizes external condensation. This BPA-free plastic water bottle has no cap to remove, no spout to open - making it perfect for one-handed use during runs, hikes, workouts, and sports. It features a patented AUTOSEAL spill-proof, leak-proof technology - simply press the button to sip, release to automatically seal. A handle with built-in carabiner clip attaches it to gym bags or backpacks and Gear Dirt Guard helps to keep the drink spout protected and clean. It's made out of BPA-free Tritan for odorless taste and high impact resistance.Dirt guard helps to keep the drink spout protected & clean.Top-rack dishwasher-safe.Material; PA-free Tritan for odorless taste and high impact resistance.Size: n/a.Capacity: 18 oz.