Polyester V Support Pillow and Pillowcase. Special V support design makes this pillow a great way to sit comfortably in a chair or bed. The special V support design makes this pillow a great way to sit comfortably in a chair or bed. 1 pillowcase – in white. Pillowcase – machine washable. Pillow Filling Cover: 80% Polyester 20% Cotton Pillow Filling: 100% Polyester Separate Pillow Cover: 50% Polyester 50% Cotton Pillowcase available Great for bed or in a chair Cotton mix pillowcase