High Quality Tempered Glass Coaster Set Gift use

High Quality Tempered Glass Coaster Gift use Size:10X10cm or customized Material: Tempered safety glass 6mm Printing: HD printing Packing: White box Product & Quality advantage 1) 6mm tempered glass, more upgrade than normal 4mm 2)Eco friendly cork sheet on back side,prevent sliding 3)Surface: smooth,clear,no scratch and dot on the surface,and easy to clean 4) Digital printing: Use ROLAND priting machine, keep the image color correct. 5) Directy factory,high quality control system.no any defect glass and other material will be used in our product