Size: diameter is about 20mm, but size may vary a little because it is handmade individually.
The felt ball is foam filled and dry needle felt. So the color is more bright and correct than normal water felt balls. And the weight is light, not heavy
No hole on the balls, but you can pierce it simply use a normal needle. It's perfect for making garland, necklace, earrings, bracelets, pins or other craft projects
But it's not good for making rugs because it will be deformed if heavily crushed