【Quality Material】: This chair back support pillow is made of high-quality memory foam and tech fabric. It is comfortable, soft, and designed for long-term, repeated use. 【Size】: The waist roll pillow measures 40 cm (15.75 inches) in length and 12 cm (4.72 inches) in diameter. Its compact and lightweight design makes it portable. Removable and washable cover. 【Unique Design】: The waist support pillow features a cylindrical shape that fits the natural curve of the waist, providing effective support and comfort. Includes an adjustable elastic strap for secure and easy attachment. 【Wide Application】: Ideal for use on home chairs, office chairs, gaming chairs, reading chairs, and during travel. 【Great Gift】: A practical and thoughtful gift for family members or friends. Specification: Material: Memory Foam, Tech Fabric Size: Length 40 cm (15.75 inches), Diameter 12 cm (4.72 inches) Package Includes: 1 x Waist Roll Pillow Note: Please allow slight variations of 1–2 cm (0.39–0.79 inches) due to manual measurement.