sun @6 inch diameter, saturn @12 inch, Moon @12 inch, star @ 15 inch Simply Peel and Stick! Removable & Reusable! Sweet dreams are guaranteed with this constellation of glow-in-the-dark self-adhesive stars and planets. With 258 elements per pack, it's like sleeping under the stars. Great for all ages! You can apply them onto walls, ceilings, furniture, headboards, accessories... the sky is the limit!