Small 52cm x 31cm x 9.5cm, Medium 52cm x 31cm x 13cm, Large 58cm x 33.5cm x 15cm Made using specialist memory foam Contoured ventilation and shoulder inlets Gives extra support and comfort when using a CPAP mask 2 year Warranty Made using specialist memory foam, this pillow is designed to increase comfort for those using CPAP machines or other devices requiring equipment. With a memory ..