Hand Volumetric Edema Evaluation Set Mattress Covers * The 27 high seat 14804 * The 27 high seat helps to reduce stress and fatigue on joints while sitting and when entering and exiting the chair Vinyl: Black Gunmeteal Dove Gray Desert Tan Cream Clamshell China Green Emerald Tomato Yellow Slate Blue Wedgewood Royal Blue Mulberry Purple Gray Burgundy * Top quality 1 thick vinyl covered cushion * Includes storage shelf * 350# weight capacity UPPER EXTREMITY * Hand Set * Designed to objectively measure volume of the body parts by using the fluid displacement method where the body part is placed in a water filled tank and the resultant overflow is collected and measured * By taking measurements over time edema can be measured and quantified * Includes volumeter overflow cup and graduated cylinder *