Specificationsfor water balls,water walking balls,roller balls,zorb balls,water rollers: (1) Dia.: 2.0 3.0 meters,or as percustom size; (2) Material:polyether TPU 0.8mm,or PVC 1.0mm,German zippers; (3) Heat welding,and custom design available; (4)Widely placed in parks,pools,family gardens,someplaying or amusing centers,water rental centers,and some other promotionactivities etc;they will bring every peoplemuch fun and enjoyment; (5) Competitive price in promotion.