Description: 【Premium Materials】: Crafted from polyester and spandex, this Back Sleeping Pillow adapts to your body shape while providing elasticity and support that won’t collapse over time 【Ergonomic Support】: Featuring a memory foam core, the anti wrinkle pillow gently supports your neck and contours perfectly to the curves of your head and neck for optimal comfort 【Versatile Use】: Designed for multiple scenarios, this pillow is ideal for use on wheelchairs, sofas, recliners, or beds—suitable for side sleeping or maintaining a supine position 【Secure Stability】: Equipped with a detachable restraint strap (250cm), it keeps your forehead securely in place to prevent tilting or rolling over, ensuring a stable sleeping posture 【Ideal Size】: The pillow measures 38 x 23.5 x 16 cm (14.96 x 9.25 x 6.30 inches); includes a pillow per package Specification: Material: Polyester, Spandex, Memory Foam Size Chart: 38cmx23.5cmx16cm/14.96inchx9.25inchx6.30inch Package Includes: 1 Back Sleep Pillow  Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.