Description:Sponge golf ball for indoor practiceSoft, flexible, light weight and less impact, it won't hurt furniture, glass window and animalsAlso it won't fly far away because it's light weight, up to distance 10-12m (33-39 ft.) Bright color with rainbow design, easy visibility,Great for approach shot and full shot practice.EVA is a new type of environmentally friendly plastic foaming material, which has the advantages of good cushioning, shock resistance, heat insulation, moisture resistance, chemical corrosion resistance, etc., and is non-toxic and non-absorbent.Specification:Material: EVADiameter: Approx. 1.65” / 42mmColor: Red/BlueQuantity: 50PCS/SetSize Chart:Diameter:42mm/1.65inchPackage Includes:50 Pieces EVA sponge golf ballsNote:1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful on-line shopping!