This spring coil is made of Plastic. Made of safe and environmentally friendly materials. Good elasticity can do a lot of modelling at will. Can exercise the children's hand coordination ability. A variety of colors, a variety of sizes available.

Material: Plastic

Item Size: Length: 1 3/8 in; Width: 1 3/8 in; Thickness: 1 3/8 in

Imprint Method: Silkscreen

Imprint Size: 1 3/8 in wide x 1 3/8 in high