Gobi Heat 13 oz Ice Core - For the Zephyr Cooling Chair and Canyon Youth Cooling Vest This 13 oz Ice Plate is custom-designed for the Zephyr Cooling Chair and Youth Canyon Cooling Vest, delivering refreshing relief right where you need it most. Whether you’re working in the heat, relaxing outdoors, or managing heat sensitivity, this plate helps regulate your temperature with consistent, long-lasting cooling. Each plate contains a dried gel powder that activates with a one-time water fill. After activation, simply freeze and reuse—no refilling required. Available in single plates or packs of 5—perfect for keeping a rotation ready all day long.