Wet your whistle with a great promotional item for your next marketing venture with the Water Wetsuit This one liter (32 oz.) bottle insulator is made of high quality neoprene (wet suit rubber material) and comes with an adjustable shoulder strap (no belt clip). Empty, blank, BPA-free water bottles can be included with your order for an extra charge. Add your four color process sublimation imprint to the outside of this advertising tool or even personalize it for the recipients! Never thirst for customers again!