This extra large d20 is about 30mm from face to face with a symbol on the highest face for those important rolls!
Large high-visibility game dice: Diffusion Tricksy Pixie -- A picturesque pair of Diffused periwinkle and purple pigment w/ a twinkling pink glitter (and white numbers)! Potentially produced by a pack of petulant pranking Pixies? Perhaps! Grab one of these XLd20s for that big monster roll!