Sunbrella Fabric Cushions (Seat & Back) for Sack 6pc Sofa Lounge Set: Sofa, 2 Lounge Chairs & Ottoman -Cushions only #WHSSSK6CS Sunbrella fabric seat & back cushions for Sofa, 2 Lounge Chairs & Ottoman Seats cushions are 5.5" thick and back cushions are 4.5" thick, need more thick, please contact us. The Cushions are made out of sunbrella fabric the best fabric for outdoors. Premium fabrics not covered, over 300 fabric are included in the price mentioned. Simply notify us fabric color/pattern of your choice by contacting us(Use "Contact Seller" Link).