Mattress Top is quilted to hold the silk padding better and ensure it does not move during the use. The silk filling is sewn along the edges of the outer cover.
A zip in the middle of one of the long sides allows you to see inside and touch the silk filling. Inside the zip you can easily see the Oeko-Tex certification and care instructions label.
At the 4 corners it has 4 elastic bands to secure it to your mattress.