Extra Thick & Supportive: TopTopper mattress topper is made of overfilled (50% 3D + 50% 7D) virgin fiber, the most advanced virgin fiber fabric filling, to ensure the Comfort and thickness of the mattress topper, provide sufficient support for the body, let you feel full score of energetic every morning you wake up. Compared to the traditional mattress topper, it uses 3D velvet instead of padding to disperse body pressure and prevent sagging. Ultra Fluffy & Super Soft: TopTopper mattress topper with tight woven and cooling fiber Technology padding makes the mattress topper super fluffy with breathable circulation inside, so that the mattress topper to maintain softness and elasticity. The ergonomic angle design fits perfectly on your back, allowing you to have a good night's sleep. Deep Pocket Design & No Deform: 8-21 inch stretch deep pocket can perfectly wrap your mattress topper and can be easily placed on most mattress topper, you can turn over freely on quiet nights without noise or worry about mattress movement. The Egyptian Cotton Technology high-quality materials used in the mattress pads are also durable, and there is no risk of tearing even if it is cleaned frequently, let alone deformation.