Description: 1. The color of the mat is helpful for classification and contrast without causing color confusion. 2. Use an inflatable tube. Easy to complete. You can control the firmness of the tube according to the amount of air added, and the tube will not bend when using a soft inflatable tube. 3. The larger mat can hold up to 1500 puzzles. 4. With 3 fixed straps. Depending on the size of the puzzle, you can set the belt closer or farther, or closer to the end of the test tube. feature: Product size: 115 * 60cm Product color: black Product application: storage puzzle mat Features: environmentally friendly materials, clear frame, very light Package Included: Style A: 1x felt pad (excluding other accessories)