Polystrene ball is used as a body of some paper flowers like billy ball, eryngium and protea. 2 cm ball to make eryngium 3 cm ball to make billy ball / pineconePrice is for 10 balls Polystyrene ball x 10RMÂ 5.00PriceBall size*SelectQuantity*Add to CartShipping and DeliveryEnjoy free shipping wiithin Malaysia for purchase RM 50 and above. Shipping takes 1-3 working days for West Malaysia, and 5-7 working days for East Malaysia.