Product highlights: triangle memory foam wedge pillow with a removable knitted cover and a large backrest design for comprehensive support. Key features Material and cover: memory foam wedge with a soft, breathable knitted cover. The cover has a zipper closure for easy removal and washing. Sleep and posture support: ergonomically designed memory foam wedge pillow to help improve sleep posture. Lumbar and reclining support: when reclining, it provides waist support to relieve pressure and protect spinal health. Backrest design: enlarged and widened backrest to effectively support the head and waist, reducing fatigue from prolonged sitting or lying down. Benefits Enhances comfort during rest by promoting proper alignment. Relieves lower back pressure when reclining, supporting the spine. Reduces fatigue from extended periods of sitting or lying down with stable head and waist support. Use scenarios In bed: ideal for sleeping, reading, or watching videos while maintaining proper posture. On a sofa or lounge: provides stable lumbar and head support for relaxed lounging. While working or studying: suitable for reclining positions to minimize back strain during longer sessions. Specifications and performance Function: supports posture, relieves pressure, and offers stable back and waist support during rest or extended activities. Size and design: triangle wedge with a large backrest to accommodate head and waist support requirements. Material quality: memory foam core with a soft, breathable knitted cover chosen for comfort and durability.