Features 1、A total of 16 balls for outdoor exercises, 4 plastic airflow balls each in pink, red, purple and black. 2、Reduce flying and prevent the ball from flying out of the border and into the neighbor garden. 3、Reduce weight, prevent damage, will not damage anything in the room, and hit people will not hurt. 4、This ball is lighter and suitable for indoor swing practice. 5、Wonderful accessory for golf practicing. Item type: Golf Ball Material: plastic Color: Pink, red, purple, black Diameter: Approx. 44mm/1.7in Weight: Approx. 92g Hits: more than 800 times Flexibility: more than 80% Explanation: This ball is lighter and suitable for indoor swing practice. The plastic is very light, the indoor practice ball will not damage anything in the room, and it won't hurt people. Package List 4 x Golf Ball pink 4 x Golf Ball red 4 x Golf Ball purple 4 x Golf Ball black