Main Features: 1.ANTI-POP & SOLID STRUCTURE:Anti-pop technology and upgraded mechanism structure allows faster turning but also balances fantastic corner cutting and zero pops. 2.SMOOTH & FAST:Speedup your solving time without any effort and bring you the best turning feeling in advance. Easy turning and smooth play. 3.GREAT PERFORMANCE:Superb rotation, good fault-tolerant performance. Great corner cutting, difficult to pop, good control of the cube. 4.ABS MATERIAL:Solid ABS plastic, safe, non-toxic. Harmless to human and environment Wear-resistant and durable 5.COME TENSIONED & LUBED:The speed cube is fully tensionable and provides maximum customizability Come tensioned and lubed already. When you get the cube, it's ready to rock!