Loud and Proud Sticker is ideal in size measuring 10cm x 3 cm (3.93 x 1.77 inches). Applied by simple peel and stick. The sticker is made of vinyl and will stretch over curves, it is perfect for your helmet, motorcycle or really anything!The sticker is:-Weather resistant-Waterproof / Oilproof-High Quality Adhesive (does not leave marks)-100% AWESOME!