Product features: *Designed for you to get maximum performance from your mattress. *Upper material: Cotton, breathable 270 gr/m2 fabric. *2 cm smart sponge and 100 gr original silicone wadding fiber in the middle layer. * On the bottom layer, there is 30 gr interlining for the product to hold onto the bed. *The edge is flexible combed cotton, so it can be easily attached to beds with a side height of 35 cm. *Does not sweat thanks to its air permeable fabric.