VFLUO BLACK STANDARD&trade;, 4 retro reflective stickers kit for Motorcycle Helmet, Night visibility, 3M Technology&trade;, Black For Motorcycle Helmets, suitable for all models / All other uses : Motorcycle, Bicycle, Bicycle Helmet, Stroller, Toys Dimensions and shape in compliance with the French law (compulsory on motorcycle helmets to drive in France) : 4 elements of 8,5 x 2,3 cm = 18,4 cm2 Beautiful and discreet by daylight / Efficiently sends car lights in the dark Easy to install, tutorial video and instructions included / Long life : 8 years durability Made in Strasbourg, France / 3M Technology&trade;, the darkest and the more powerful retro reflective material