Rubber sponge golf ball (Paypal avaliable for small order quantity)   Soft material is much safety for begining golf player and children when training and practice, and will not hurt themselve or the other player if they do not shot correctly. More feature and detail as below: 1. Made of special macromolecule material, safe, non-toxic, environmental friendly. 2. Main purpose is for training and practice using. 3. Awarded the SGS certification, free of ten major heavy metal materials and chemical materials, such as toluene or formaldehyde; and meet the European and USA safety standard for children's toys. (EN-71 Part 1~3, 9~11, Cadmium and DIN53160(Saliva & Perspirattion))   //586 || this.height>586){ if(this.width>this.height){ setImgSizeWH("",this,586,586*this.height/this.width); }else{ setImgSizeWH("",this,586*this.width/this.height,586); } } } } //]]>