Purchased on December 19th, opened, and only tried with a different cover. Please refrain from purchasing if you are concerned. Special structure promotes side sleeping and reduces pressure on the ears and face. ● Reduces pressure during side sleeping Special structure promotes side sleeping and reduces pressure on the ears and face. ● 3-layer structure with adjustable height ● Side mesh fabric ● Washable (cover only) ■ Pillow Height: Adjustable ■ Pillow Firmness: Medium ■ Composition ・Cover Side Fabric: 100% Polyester Gusset: 100% Polyester Ear Area: 95% Polyester, 5% Polyurethane ・Body Side Fabric: 100% Polyester Filling: Urethane Foam ・Height Adjustment Sheet Side Fabric: 100% Polyester Filling: Urethane Foam ■ Machine washable (using a net) *Cover only Color: White Main Material: Urethane Foam Size (approx.): Width 58 x Depth 35 x Height 16cm