Features:
1) Breathable fabric side: keeping users cool and comfortable
2) Wedge shape: promoting proper sitting position
3) Furniture: grade foam, for support and comfort  
4) Water / stain resistant side: just wipe clean  
5) Cutaway section: relieving pressure on tailbone and spine
6) Built-in handle: for portability      
7) Made from all new material consisting of 100% polyurethane foam.