Massive case of 100mm (4 inch) dia solid polystyrene balls. Quality white polystyrene ideal for sweet or candy trees, or can be painted or decorated in numerous other ways. Can also be used as a base for covering in clay, paper mache, etc. Case contains: 225 balls. Do not use solvent glues with polystyrene, pva white glue, special poly cement or low heat glue guns are fine.