【3-tier Adjustable】:New Design 2-tier memory foam pillow core, one side is blue foam another side is white foam.There is also an Insert pp cotton layerkeep your head in a comfortable sleep temperature zone all night, to greatly improve the quality of sleep. 【Customized Softness or Firmness】: The cube pillow is designed for side sleepers. It is available in three different thicknesses, please choose the right option that fits your height to ensure comfortable night sleep. 【 Ergonomic Cubic Pillow】This pillow cuboid shape main design for side sleepers. Sleeping on the side makes the shoulder and neck form almost a right angle, filling the gap between the neck and the pillow, effectively relieving neck pain or shoulder pain. 【Breathable & Soft】 We use superior cotton, fine spinning craft, and breathe grid design, making surface smooth, soft, and sweat absorbing. The pillow cover is separated from inside sleeve, which can be removed and machine washed, making a great sleeping 【Suitable Size】 2 sizes to choose from:12''L x 12''W x 5''H and 24''L x 12''W x 5''H, The magical cubic memory foam pillow is very supportive and provides an extraordinary experience for side sleepers.The side pillow is rolled up inside the box. Please leave it for 30-60 minutes after unpacking to fully recover its shape Side Sleeper Pillow