there are many kinds of patterns in the border,and the core is transparent ,so we can put the photo on the core .Don't worry the photo will be dirty .It can not . because there are four rubber feet and a PVC film under the coaster ,so the photo can not touch anything on the table .

It can be used in many respects
1.it can be used as daily use: put hot cup on it and resist hot etc..
2.it can be used as a decoration,decorating home and office
3.it can be used as a kind of advertisement ,pritting logo,...etc
4.it can be used as a gits,printting best wishes to family , friends etc
5.it can be used as a gift accessory,for example: put the candle on it ,so the candle can not dirty the table
6.it can be used as a promotional products,because of its good price and beautiful look

Description of glass coaster
1. size???quare shape 10x10 cm, 100g ,round shape diameter: 10 cm, or other irregular shape. Thickness :0.5cm
2. tempered : it is durable ,not easy to break and safe
3. it is easy to clean
4. it can be various patterns