Designed for ReclinerMeasures 20x217x3 The widen and thicken sides cover around your entire waist and lower back Perfect Size Supports the Entire Backthe recliner lumbar pillow is designed to fits your reclinerArmchairs and Couches allowing you to feel relaxed and at ease Advanced memory foam The inner core of the waist support pillow is made of advanced memory foam and sponge The 14 inch memory cotton and 16 inch sponge make it not only have enough support but also very comfortable The recliner lumbar support pillow has been increased in height to support the back It perfectly fits the natural curves of the back providing additional support for the spine It will effectively alleviate back pain and improve your sitting posture Breathable Removable CoverThe Pillow Cover is very soft skin friendly and breathableWith removable and machine washable cover this back cushion can keep air circulation well and always keep you comfortable suitable for all seasons Extensively Applicable Occasions our back cushion for office chair is suitable for diverse kinds of occasions including but not limited to bedrooms living rooms offices and more to put on sofas beds car seats chairs and so on NOTICEYour back cushion arrives compressed but set up only takes 4 easy steps open your package unroll the cushion cut the plastic then allow 2448 hours to expand allow extra time for expansion in cooler temperatures