The 750 ml Ocean Bottle has double wall vacuum insulation to keep drinks hot for up to 6 hours and cold for up to 18 hours. Each Ocean Bottle collects 1,000 plastic bottles to improve livelihoods in coastal communities. The bottle contains recycled stainless steel and recycled ocean-bound plastic and is NFC Smart Chip enabled to collect more plastic with every refill. The dual opening makes it easy to clean and fill the bottle, and the anti-leak lid has an easy carry loop. The bottle is dishwasher safe and BPA-free. Presented in a responsibly sourced recycled cardboard gift box.