Memory foam material: Our cushion is crafted from 100% pure, premium memory foam, free from any additives, using identical materials to those employed by the world's leading memory foam manufacturers. It helps correct poor posture and alleviates leg discomfort caused by prolonged driving or sitting, enhancing comfort while maintaining density. Soft-touch feel with non-slip gel rubber base – Thanks to its multifunctional design, we are confident you will appreciate this cushion's softness and anti-slip properties. Enjoy comfort during office work, driving, and other prolonged sitting scenarios. If you sit for over 8 hours daily, this comfort cushion is your ideal choice. U-shaped ergonomic design – Featuring the globally recommended U-shaped ergonomic structure endorsed by orthopaedic specialists, it precisely alleviates pressure to relieve chronic or acute pain. Symptoms addressed: lumbar, sacral, prostate, hip, spinal, leg, back pain, and trauma. Compatible with most chairs – This cushion fits perfectly on the majority of office chairs. Take it with you to the car, aeroplane or train. This cushion effectively relieves neck, shoulder, tailbone, waist and lower back pain. Note: The rubber base may stain light-coloured leather/vinyl materials.