Model: 17005. Did you know that dogs do not perspire? The Misty Mate Cooling Collar Helps Keep Your Dog: safe from overheating; relieved from the heat; happy & attentive; cool & comfortable. Works for humans too! Soak for a few minutes stay cool for hours. Pets need to stay cool too! The Cooling Collar will keep your pet cool for hours when you're out in the sun or sand. Absorbent material in the fabric retains water that slowly evaporates, keeping the collar cool for hours. Sizing: Adjustable up to 23 inches L. www.mistymate.com. Designed in the USA. Manufactured in China.