All Nature silicone mold for epoxy resin. Is made from high-quality silicone handmade from order.The blank is a natural geode, so there may be small imperfections on the surface that make your end piece look more natural. 
Designed by Moldybyjenny carefully made by Chooseyours11 in Austria 
size
Diameter +/- : 80mm
Height: 37mm
Diameter tealight +/- 40mm