Neurons Not Included Math Bracelet - Math Equation Chalkboard Image - Aluminium Wide Geek Cuff Dimensions: 6.625 X 1.625 x .05 inches Adjustable, hypoalleregenic aluminum material Includes gift / storage black velvet bag Free Economy Shipping Printed in the US with non-toxic, earth friendly, permenant inks You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!