500ml clear plastic water bottle, convenient with measurement markings. - Brand: Hydro Flask - Material: Plastic - Capacity: 500ml - Color: Clear - Features: Measurement markings I've used it twice, but I haven't put my mouth on it. I've been using it by pouring into a mug, etc. *Please refrain from purchasing if you are concerned about minor scratches, stains, or used items. Thank you for looking.