The mattress pad adopts a four-layer durable structure and contains super-soft siliconized fiber filler. The fluffy quilted stitched mattress provides enough softness and comfort, making you feel like sleeping in the clouds. TWIN SIZE: Twin size mattress pad is 39 x 75 inches, whose deep pocket is suitable for most mattresses with a depth between 8-15 inches. A high elastic band keeps your mattress cover stay in place. BREATHABLE MATERIAL: The microfiber fabric surface and the inner padding makes the air circulation better, so this mattress pad is breathable. At the same time, because of the barrier of the filling cotton, people are far away from the TPU backing, and the noise will be lower.