specification: material: plastic White color Length: 16mm, 19mm, 30mm(Optional) Conversion: 1mm = 0.039 inches, 1 inch = 25.4mm Used to replace the scream of toys, shoes, etc. Both can make a sound Uses: Used in vinyl toys, plastic toys, children's shoes, and hands that make BB sounds. Quantity: 50/100/500pcs Package list: according to your choice note: 1. Due to manual measurement, please allow an error of 1-3mm, please make sure not to mind. 2. The color of different monitors may be slightly different, please understand. Satisfaction Guarantee Our first priority is to provede you with an easy,pleasant,and anxiety-free shopping experience we try our best to give a clear,candid,and complete description of our products and their conditions we are always ready to help if you have questions or encounter a problem ,but if for any reason you are not satisfied with a product or service please do not hesitate to contact us It is very impottant to us that you have a positive & 5 star transaction with us. please contact us promptly before you leave us negative feedback.we weill try our best to resolve you problem. If I am not online,please leave your message,we will reply you once we log in.we reply every message except we have not get your message. Refund we accept refund if product not as decribed If the goods are damaged.Please provide photos.We can give you a full refund.Or send you a new item If the product is lost. Or the wrong number. If we make a mistake. We accept partial refund compensation Services After receiving the payment. We will send the goods within 12 hours _x000D_