The doll joints are important accessories for making and modifying dolls, perfectly applied to dolls to make their movements more realistic. Doll Joints can be used for crochet and sewing items, memory bear, plush animals, and other stuff animals, making their arms, necks, legs, or others can flexibly rotate 360 degrees.SpecificationMaterial: Acrylic, MetalColor: Clear, Silver ToneAcrylic Tray Size: 50 x 2.2mm/ 1.97 x 0.09 Inch (Outer Diameter x Inner Diameter)Metal Ring Size: 12 x 3.2mm/ 0.47 x 0.13 Inch (Outer Diameter x Inner Diameter)Package List: 20 Set x Doll Joints (1 Set Include 2Pcs x Acrylic Tray 2Pcs x Metal Ring, 1Pcs x Cotter Pin)AdvantageThe doll joints are widely used in doll art-making projects, made of good acrylic and metal, lightweight, anti-rust, sturdy and not easy to break, and durable for use.