Description: The soft baseballs are made up of PU foam, soft and elastic, safe to hit against a wall, window or even a mirror. Smooth spherical surface reduces friction and air resistance, allowing your ball to fly farther, you can also hitting in a confined space. The bright yellow color makes the baseball more conspicuous, and it is easy to find even if it is hit far away. The simulated seam marks are not as easy to crack as the real sewing marks, but the spherical surface is well decorated. Three sizes of baseball for you reference, you can buy different sizes of baseball to experience different feels. Specification: Material: PU Polyurethane Diamater: 9cm/3.54inch, 7.5cm/2.95inch, 6.3cm/2.48inch Package Includes: 1 Piece Baseball(10 Pack) Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.