1.Official size,PU material, 2.Laminated basketball,butyl bladder with the line 3.,circumference :74-78CM, ITEM NO. PACKING QUANTITY MEASUREMENT G.W/N.WNSV-7090POLY BAG24PCS72*49*50CM13/11KGS 1.Official size,PU material,2.Laminated basketball,butyl bladder with the line3.,circumference :74-78CM,4.weight:560-650g.5.inner pressure:7-9PSI,