[Designed for Comfort] Experience ultimate comfort with our memory foam pillow, the butterfly pillows is available in white and measures 60*40*12/10cm. [Ergonomic Pillow] Our neck pillow features two different heights and grooves on both sides, perfect for all sleeping positions including side sleepers. The shape with ventilation holes ensures optimal support and breathability. [Premium Memory Foam] The back sleeper pillow made with soft polyurethane slow rebound foam, side sleeper pillow provides excellent support for your head & neck, comfortably relaxes head, neck, shoulder and back muscles, helping you achieve a more restful sleep every night. [Easy Care] Pillowcase for orthopaedic neck pillows with zip can be removed is machine washable for convenient cleaning. Please remember to put the memory foam pillow in a ventilated place to dry in a cool place. Avoid direct sunlight on the memory foam core to maintain its quality over time. [Rebound Pillow] Memory pillows are rolled up and packed for shipping, the nature of memory foam will rebound to its normal form within 24 hours, please feel free to contact us if you have any questions.