The Cat Eye Galaxy Beads are round beads made of plastic, measuring 16-16.9mm(I think, I dont have proper tools for measurement) in size. These multicolor beads feature a cat's eye/fiber optic style, adding a unique and eye-catching touch to any jewelry or craft project. Perfect for adding a pop of color and fun design element to your creations, these beads are sold individually to give you the flexibility to use them as needed. Ideal for both beginners and experienced crafters, these Cat Eye Galaxy Beads are sure to inspire creativity and stimulate your imagination.