💖 Include:1pcs Mattress Size: 💖 Thickness: The thickness of the mattress is about 10cm 💖 Material: imitation lamb cashmere, double-sided cashmere: A suede, available in winter. Surface B is ground, available in all seasons. Filling: polyester, polyester fiber 💖 Note: The thickness is about 10cm in the fluffy state, but it is not thick when you first receive it. This is a cushion without springs, and packing needs to be evacuated to pack, and the filling inside will thin under heavy pressure. When placed in a natural fluffy state, the thickness is about 10cm. It will collapse slightly because it is soft. thank you for understanding.