These golf balls are a great alternative for golfers to practice safely indoors with home golf setups and for outdoor training on the course. This 16 pack is constructed of sturdy foam designed to withstand the intensity of real golf training and mimic real golf balls while making them safer for indoor use. The golf balls feature a limited flight design that ensures you can practice every shot even with limited space and hitting distance. The balls weigh approximately 9.5 - 10.5 grams each and come in vibrant colors that make them easy to find and round up after practice. Keep your golf skills sharp whether you’re out on the course or getting practice sessions at home with these golf balls.