1. Material: rubber2. Send card buckle + storage bag3. Thicken shock absorption, reduce the damage caused by strong impact to the Rubik's Cube4. The non-slip bottom surface, strengthen the adhesion lines, fit the desktop and not easy to move5. Native foam rubber, small and dense bubbles, soft and elastic6. The edge adopts a fine weaving process, which is not easy to be damaged when used for a long time and high frequency7. Size: 74 x 29.5 x 0.3cm8. Weight: 324.9g Stacking Cups, Weaving Process, The Edge, Flash, Bubbles, Buckle