maxin 3x3 3x3x3 Speed Cube Anti-POP Structure 6 Solid Color Eco-friendly Plastics Stickerless Cube standard structure: 3 x 3 x 3. Enjoy Easy Turning & Smooth Play:super-fast without any extra tuning - exactly what you need to speed cube with the best of them - even if you are a beginner. Improved anti-pop technology and structure for extremely fast and smooth cornering; More durable design. ECO-FRIENDLY PRODUCT- Recyclable material, harmless to human and environment. Combines high performance designs with good value.Great as a gift.