Ultra Slim Sleeper Memory Foam Pillow: Extra Low Profile, Cotton Cover, Only 3 Inches Thick. Best Flat for Stomach, Back, or Side Sleepers PAIN RELIEF - The perfect combination of firm support & 3 thick high is the best remedy for sleeping issues such as waking up with stiff neck, shoulder & back pain, or if you suffer from orthopaedic issues. EXTRA THIN - Extra low profile 3" thick with FIRM support great for stomach and side sleepers. GREAT SUPPORT - Gently cradles your head and neck, changing shape as you move to provide constant support throughout the night WASHABLE COVER - Ultra Slim pillow paired with Poly-Viscose blend (60/40 split). The outside cover can be removed and is 100% machine washable HYPO-ALLERGENIC - Our Memory Foam Pillow is a great alternative for people who suffer from allergies.CertiPUR Certified