This 3D printed pocket-size fidget is designed by Layers In Green and printed with PLA (a environmentally friendly material). These fidget articulating Gecko Flexi are ~5 inches in length and Gecko tail key chain are ~2.5 inches(not include the keychain length). --IMPORTANT NOTES-- Choking hazard due to small parts. This toy should only be used with parental supervision. Not for under 3.