Frosted Design Frosted Design on the surface brings a good hand feel and avoids scratches on sticker less cubes. Smooth Feel The turning is smooth and stable, giving the cube and outstanding overall performance. Adjustable Elasticity Adjust the elasticity with your own preference. Screws and Springs inside make the cube adjustable, you can get a satisfying hand feel depending on personal preference. Anti-Sticky Design The anti-sticky design in the contact areas rid any issue of a sticky feeling, making the cube turn more smoothly. Material: ABS Engineering plastic