Our innovative WaveBlock™ Protect Stickers are laboratory-tested to deflect EMF waves away from the brain, reducing the harmful effects of radiation exposure by more than 95%. Composed of high-quality, waterproof materials, WaveBlock™ has been laboratory tested and certified by TÜV SÜD (One one largest labs in the world) and field-tested to stay safely in place under extreme conditions and high activity levels, while also crafted for easy peel and stick application. WaveBlock™ Protect Stickers are sold as a pair.