Features: This glow in the dark golf balls is made of durable SURLYN materials and that can withstand prolonged blows without being easily damaged, ensuring its lifespans and stability. LED golf balls have two modes: constant light and flashing, which increase the visibility of the balls in nighttime or dark environment through different luminous effects. This golf balls is characterized by luminescence, and can be clearly see during the day and night. This makes it easier for player to find the balls and reduces the risk of losing it. The golf balls has a waterproof design that allows it to shines normally even in rainy day. This makes the balls suitable for golf competition and training under various weather conditions. Great for player who like golf, this glowing golf balls is an great choice. It provides better visibility, making it easier for them to find the balls at night or in dark environment. Specifications: Material: SURLYN Color: White/Red/Green/Yellow/Blue/Pink Package Weight: approx.45g Size: approx.42.67mm/1.68in (More Size Detail, Please See Photo.) Package Includes: 1Pc LED Golf Balls note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!