Basic Information Name: Japan SUN-STAR Sun Star pencil Wobi IMP567Size: About 1.7 * 1.7 * 1.7cm; hole diameter of about 7mmMaterial: TPR TPE Package: blister cardWeight: about 10gStyle: As shown in the list of colors, optionalSummary: Japan SUN-STAR Sun Star pencil hold a pen device, TPR material, pliable and elastic; scientific design, can correct posture to hold a pen, writing anti-fatigue