The SpeedStack™ 3 is a stack of 3 laminated tearoffs that are 4 mil thick. The laminated technology creates a distortion-free optical lens. Eack package contains 4 stacks of 3 laminated tearoffs for a total of 12 tearoffs per pack. The 4 mil thick tearoff is most commonly used in all pavement applications and has been proven at racing speeds over 125mph! All styles are available in Clear only.