led coaster size :100*10mm ( diameter is 100mm, thickness is 10mm ) 
led coaster material :the led coaster pads use high quality ABS material 
certificate:CE ,ROHS ,en71.2.3
Function: when somebody put on the led coaster pads the led will lighting 
led bottle coaster color:red ,blue ,green ,white or purple
led flash coaster logo :engrave logo or silkscreen . 
battery type  :2*CR1220 good quality battery 
Sample charge and time  :if we have stock led coaster pads not need sample coaster .
warrently :3 months
package information : 1ps/PVC box, 144ps/inner box, 288ps/CTN, size: 46*35*30Cm ,NW,GW:15/16KG