Ball diameter approximately 2.5cm. Handmade, crochet. One ball can be moved. Please adjust the position for easy tying. I make each item carefully, but please refrain from purchasing if you are concerned about minor details. For combined shipping: For each additional item over 300 yen, you will receive a 100 yen discount. Please comment before purchasing. 2 for 450 yen 4 for 800 yen