QUALITY MATERIAL: The small cube is composed of 8 sturdy ABS plastic blocks, linked by stainless steel metal bearings and pins, coming with a smooth surface and round corners. PROPER SIZE: Each side of the cube measures 1,57 IN, the length of the unfolded toy is 3,15 IN, height is 2 IN, and width is 1,57 IN. It is small and lightweight, and you can easily store it in your pocket and take it anywhere with you. EASY TO OPERATE: This nice office toy allows you to play with one hand and meanwhile keep on with your work with the other hand. It can be rotated in any direction and angle as you like and fold over and over again when you are restless or brainstorm. STRESS RELIEF: The relaxing, noiseless, and compact tactile sensory never-ending cube improves your focus while studying, working, or brainstorming by a simple flip and fold. These fidgets can keep you concentrated on the tasks at hand, and will relieve the anxiety and pressure of all sorts of worries. GIFT IDEA: This pretty infinity cube provides a good way to play with friends or family, while actually doing something that is good for the brain. It also can be regarded as a nice gift for bringing fingers endless pleasure by flipping and folding it constantly to transform different infinity shapes.