Contemporary and casual cube shaped beads are called a 4mm cube by the factory, but you'll find that all three dimensions are closer to 3.5mm. They have slightly rounded corners as you can see from the picture. Beads are transparent crystal glass with a silvery surface finish that creates a blue interior color that is often called Bermuda Blue. Sold in packages of 98 to 100 beads.
Contemporary and casual cube shaped beads are called a 4mm cube by the factory, but you'll find that all three dimensions are closer to 3.5mm. Beads have a glossy metallic Bronze colored finish.