1、EVA: Made of EVA material, the foam golf ball is environmentally friendly, non toxic and safe, and can be used with confidence. 2、No Injuries: The diameter of the EVA golf ball is 21.5mm/0.8in, the weight is very light, and it won't hurt people. 3、Indoor Use: The soft foam practice ball is very suitable for indoor swing practice, does not fade, and has good resistance to hitting and abrasion. 4、Outdoor Use: These foam golf balls are brightly colored, so you can easily find them on the grass when practicing outdoors. 5、Quantity Guarantee: A total of 30 golf balls are included, which can satisfy your swing practice without worrying about damaging your furniture or hurting people. Item Type: EVA Foam Golf Balls Material: EVA Diameter: Approx. 21.5mm / 0.8in Product Weight: Approx. 18g / 0.6oz Description: This ball is soft, suitable for indoor swing practice, will not hurt people, even if it is hit, it will not hurt. 30 x Foam Golf Balls Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.