1.PU Sponge Volleyball 2.For Training,Match,Promotion 3.Higher Elasticity 4. ... printing,producing,packing to guarantee the quality of every ball for our clients.6.fastest delivery for client at 10-15 days ... 5UsageTraining,promotion,gift,advertising,playingPacking18 pcs/carton Basic InformationItemPU Sponge VolleyballSizeOfficial size 5MaterialHigh Elasticity PUDiameter20.5CMColorred,yellow,blue,green ...