ABS Materials 【Smooth Turning, Anti-pop Structure, and Good Corners Cutting】 --- Our cube is a specialized speed cube for games, it has smooth turning, an anti-pop structure, and good corner cutting, facilitating the twisting. Rotations are enhanced, so you can turn it quicker than other cubes. 【Popular Intelligent Toy】 --- Nearly 1.4 billion people are playing with speed cubes. Playing will Develop Your Thinking and Three-Dimensional Ability; Improve Your Fingers’ Dexterity and Coordination; Enhance Your Memory. 【Excellent Hand Feel】 --- With frosted fluorescent stickers, our speed cube will give you vivid colors and an excellent hand feel. Its size is 2.2×2.2×2.2 inches which is the standard size. Besides, our puzzle cube is adjustable, you can adjust it to the one that suits you best. 【An Ideal Gift】 --- Whether you have played or not, you will fall in love with our speed cube once you take it up and begin to play. The speed cube 3×3 is an ideal gift for kids to increase intelligence; for adults to release work pressure; for old men to prevent brain degeneration. 【Material】: Crafted with ABS Material and PVC Sticker which are durable, safe and non-toxic, harmless to humans or the environment.