Healthy customers mean they have a chance to come back! Invest in your customers' healthy by advertising on the Water Wetsuit. The half-liter bottle insulator fits most 16 to 20 ounce bottles. 31 colors of the high quality neoprene (wet suit rubber material) are available. The sleeve is equipped with a plastic clip hook. Empty, blank BPA-free plastic water bottles can be included with your order for an extra charge. Be return-market friendly to your customers!