The egg box foam overlay has been one of our best selling products for many years. We have thousands of satisfied customers. Our other good seller is our Ultimate Topper Pad which is made from a super soft foam. The egg-box foam mattress overlay or topper pad gives so much comfort for such little cost. We have sold thousands of them over the years & customers come back again & again to re-purchase. For so little expense the egg box mattress overlay adds so much comfort to that too hard bed . This is true foam for comfort, at our usual bargain price. If you value a good night's sleep, then this is the answer. For steep Trendelenburg patient positioning or problems, you need our low cost Da Vinci robotic surgery anti slip mattress, please contact us on 0800 015 44 33 or 01254 207 827 & please ask for patient positioning aid section. Customer Comment We got an email from a lady at Saatchi & Saatchi. She is pleased with her overlay. She finds it very comfy! She also said how well packed it was on arrival. She thanked us for sending it to her works address, and all in all we have a very happy customer.