Cube Block Sizes: 50mm, 60mm, 90mm & 100mm. Made From Optically Pure Crystal. Superior 3d Laser Engraved or Colour Printed with Your Unique Design. Cube Shape is Really Versatile & Suits Most Artwork Designs. Wide Range of Crystal Shape & Sizes Available to Suit All Budgets & Designs. Supplied in High Quality Satin Lined Presentation Gift Box. Fast Delivery. Minimum Quantity: 1.