1. Material: fiberglass
2. The surface will turn black but will not catch fire. You can wipe off surface stains
3. Four holes are fixed, not easy to shift, to avoid safety hazards caused by wind or man-made factors
4. Can be hung for storage, foldable and portable, saving space and easy to take
5. Dimensions: 50x50 cm, 56x60 cm, 56x80 cm, 100x100 cm
6. Weight: 50x50cm 109g, 56x60cm 186g, 56x80cm 245g, 100x100cm 441g
