1. thickness. there are 0.2mm, 0.26mm, 0.3mm, 0.33mm, 0.4mm tempered glass in the market. the thin, the more expensive, the better.
2. transparency. high transparency( up to 99%) is the best tempered glass screen protector. usually, the normal one is 95%-98%.
3. hardness. there are 8H-9H tempered glass screen protector. 9H hardness tempered glass is the best, it can protect your screen preventing scratch by sharp item, such as knives and nail, etc.
4. anti fingerprint and anti oil. usually, normal tempered glass screen protector have little function anti fingerprint or anti oil. the best quality one can keep your screen clean and comfortable.
more info on our website: http://www.weaccessory.com
Shenzhen Western Electronic Co., Ltd
