1,High-End Design: Our stickers can effectively absorb andEiminate the threatening 5G Wi-Fi and EMF waveposed by your favorite electronic devices. You can avoid electronic pollution. 2,Dual Efficacy: The mineral energy in the sticker can not only prevent threatening electrical pollution but also help prolong battery life. Stickers can help improve the function of the battery when charging and increase the battery capacity. 3,Easy to Use: EMF stickers with strong self-adhesive 3D glue to hold the sticker in place. The protective sticker is very easy to paste, and it is firmly fixed on any device. They can serve you for a long time. 4,Widely Applicable: EMF protective stickers apply to all electronic devices and Wi-Fi devices, such as mobile phones, laptops, tablets, etc. In addition, you can also use them on household appliances such as refrigerators, microwave ovens, and air conditioners. 5,Please Note: You will get 12 x Anti Radiation Protector Sticker. The diameter is about 2.79 cm / 1.1in. Our EMF blocker is always effective and protects you from cell phones. It can be attached to the outside or inside of the mobile phone case, which is very convenient. Colour:silver Material:Metal Package Contents: 12 x Anti Radiation Protector Sticker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.