Versatile applications: Ideal for slingshot ammunition, promoting precise shooting and entertainment. Also functions as potting soil additives, enhancing aeration and water retention for improved plant growth conditions Highly uniform shape: Consistent diameter and shape of each sphere guarantees accuracy in slingshot shooting and even distribution of aeration and moisture in pots Package size: Diameter 10 mm, each package contains 1700/1150 pieces, suitable for long-term use. Easy to assemble - can be installed and used on any slingshot. More professional - iron powder is added inside the clay balls to achieve a subtle weight balance, providing you with a perfect feel and a long-lasting flight experience. The surface protective layer has undergone high-temperature firing treatment, making it smoother and harder, and won't dirty your hands. Environmentally friendly materials - non-toxic, odorless, biodegradable, soluble in water, friendly to the environment. Note - The diameter of the hard clay balls in the packaging box may have an error range of ±10%.