Hollowfibre: The hollowfibre material is very light, trapping air to provide a lofty pillow - perfect for sinking your head into after a long day! Soft pillow: Get this soft hollowfibre bounce back pillow! Bounce-back: The pillow retains its shape despite being incredibly soft - the best of both worlds! Size: 50cm x 75cm. Hollowfibre Soft Bounce Back Pillow | Living Social