Product Name:White Edge Revising Liquid
Two Parts: White Edge Revising Liquid with Brus
Feature: Green product, Not hurt to hand and tempered glass, No smell
 
How to use it?   

Use the brush to get some Revising Liquid and paint it on the edge of the tempered glass. Then use your finger to press it carefully. After about 2 minutes later, the white edge will disappear!