... .3-7-7.6-8cm 2)Material:PU 3)Logo:any desgin,any logo 4)Centificate: EN71 pu stress ball toy1)Dimension: according to ... ,any logo4)Centificate: EN71-1,2,3 and CEWe also have other shapes PU toy ,such as sport balls,animals,food ,glass.pet toy ... ,pendant,gifts,strange face ,etc.OEM desgin is welcome ! pu stress ball ...