Gemma 4-in-1 Firmness Foam Pillow: * Fabric: viscose * Gemma pillow is certified to be made with healthy, safe materials under the strictest Oekotex 100 Class I * Hypoallergenic * 100 percent free of any harmful chemicals * Unique Gemma foam allows constant air circulation to dispel heat and moisture created during sleep * Dimensions: 24"L x 16"W x 4"H * Care instructions: outer cover is machine washable