Package Include--You will receive 52pcs 5 styles white flex ball socket for DIY plush bear, sufficient quantity is enough to meet your various DIY making needs. Size Information--The sizes respectively are 8pcs 31x31x8.5mm; 8pcs 27x31x9mm; 12pcs 21x14mm, inner diameter: 8mm; 12pcs 18.5x34x28mm and 12pcs 50x40x17mm, hole: 7.8mm. Premium Material--The chest connectors flex ball socket is made of quality plastic which is lightweight, stable, insulator, and easy to shape. How to Use--The chest connectors flex ball socket is easy to use: To snap apart,you can bend at a sharp angle, while to lock together, use special jeton pliers. Wide Application--These flex ball sockets are suitable for DIY plush, crochet amigurumi animals, teddy bear making, etc.