Theres No Need To Carry A Large, Heavy Compass When You Travel. This One Is Really All You Need, And Its Only 1" X 1/2", And Weighs On 0.2 Oz. It Even Has A Closed Loop On The Back That Will Fit Onto A Small Watch Band, Or You Can Wear It On A String Around The Neck. It Has A Liquid Filled Plastic Dome, And Will Point You In The Right Direction Every Time. * 1" Diameter, Liquid Filled * 1/2" High, Including Band * Can Be Worn On Your Clothing * Dependable And Accurate * Great For Travel