AOTOZE Slim Gel Memory Foam Pillow for Stomach & BackAOTOZE Pillow is double certified by Oeko TEX and CertiPUR US, providing you with a trustworthy product. 2. 4 Inch Slim Pillow Thin design ideal for stomach sleepers, also suitable for back sleepers. Gel Memory Foam Pillow Absorbs excess heat to keep you cool throughout the night. Removable and Machine Washable Cover Made of 73% Polyester, 17% Nylon, 10% Elastane, ensuring softness. Dimensions: 60 x 40 x 6 cm Ultra thin pillow with a low height,