The package contains 2 brand new cubes, side length 50 mm, 70 g / piece ABS plastic Environmental protection works The first 2x2 mirror cube, unique design, convertible, sleek Compact and portable design for more convenience, play it anywhere you want Reasonable professional structure design, better training players speed Advantage of the cube: Environmental Material -Using the original ABS material; No stickers, non-poisonous product. -Gives you the most vivid and solid colors, perfect for hours and hours of speed cubing. More Durable Structure -Angle blocks Splicing technology and groove edge clamp design can ensure the tightness of the cube while cornering. -New Plastic center axis is more durable, lubricated and could be used longer. -If the center pieces drop out, just put it in with no issue. Proper Lubricated -Every cube is pre-lubricated and adjusted by the manufacturer. -If the cube doesnt fit your style, just open the center caps and adjust the screws