1.material:good quality natural rubber
2.density: medium and hard
3.size:according to requirement
4.colour:orange

Standard sponge balls

The standard balls are based on the regular balls that were peeled skin. So they are softer and more elastic than regular balls. Its surface is coarser, so it can remove dirty stuff easily. Standard balls are used in most condition that has no special requirements. We recommend continuing use these balls for fresh water and salt water. For most customers, the standard sponge ball is their first choice.

Our standard balls have 5 kinds of different firmness. They are soft, mid-soft, medium, mid-firm, and firm. For new equipment, soft and mid-soft balls are the best choice. For equipments in routine process, select medium and mid-firm balls. If you need a little heavy duty, select the firm balls.