These hollowfibre filed anti-allergy pillows are the perfect as a low cost alternative to feather pillows, without comporomsing on quality. Please note: these are a pillow PAIR which means they are sold in a set of 2. These pillows have a quality polycotton cover unlike the cheaper polypropylene / corovine (tea bag like) covers found on cheaper quality pillows. These pillows are thick bounce backs.