coaster: 1) Material: sillicone,prevent your desk from heat-transfer, Anti-slip material with SGS approval.. 2) Size:15x0.3cm Soft pvc cup coaste:                                                                                                                         Material with SGS        approval                                                                                                                          Prevent your desk from heat-transfer, anti-slip.beautiful design and comfortable feeling.Custom design are welcome.                                                                                                                               Size: DIA10x0.2

coaster