1. Using high-strength non-woven fabric, tough and durable 2. Fine craftsmanship, computer cutting 3. Strong wear resistance, thicker design, no cracking, strong durability 4. Breathable and moisturizing, harmless and degradable 5. Material: non-woven fabric 6. Diameter: the outer diameter is about 15/25/27/32/42/52/62/72/82 cm 7. Weight: 15cm about 4.5g/piece, 25cm about 14.5g/piece, 27cm about 16g/piece, 32cm about 20.9g/piece, 42cm about 31g/piece, 52cm about 64g/piece Pieces, 62cm about 94g/piece, 72cm about 124g/piece, 82cm about 161g/piece 8. Note: only cover cloth, no other items in the picture