Led coasters comes in packs of 50 in a colourful promotion box. Customers design, logo and photo can be printed on the front side.
Each box contains 7 white, 7 orange, 7 pink, 7 red, 7 cyan, 7 blue and 8 rainbow colour coasters.
Battery : CR2025 Included and lasts 26+ hours continues use (included)
LED life : 21000+ hours
Switch : Push and pull to turn On/Off
Unit size : Diameter 90.5mm Thickness 7.8mm (± 0.2mm)
Unit weight : 24.1g (± 0.3g)
Resistant from -15℃ to 85℃
Printable area diameter is 85mm