Comfortable support cushion The cylinder roll provides stable support for your head, neck, and waist whether you are at a desk, on the sofa, watching TV, or reading. It is designed to support the neck, back, knees and other joints when you are lying flat or sitting, helping maintain comfortable alignment. Sofa and bed gap filler This bed bolster covers the head, foot, or side of a king-size mattress from end to end, helping prevent pillows, pets, and items from slipping behind or under the bed. It also works as a soft, elongated foam pillow for other bed sizes when placed against the wall. Soft and durable neck roll Made with waterproof fabric and ultra-soft foam, this round neck roll delivers long-lasting comfort. The design resists flattening over time to maintain its shape and support. Ergonomic design for natural alignment The round foam pillow supports natural alignment to maximize comfort and gentle support. It promotes good posture and can reduce head, shoulder, neck, lumbar, and back discomfort. Use scenarios - At the desk or workstation: use it to support the neck and back during long work or study sessions. - On the sofa or in bed: use while watching TV or reading to maintain spinal alignment and reduce strain. - In the bed: place along the wall or at the end of the mattress to fill gaps, keep items from falling behind, and provide a soft, supportive cushion.