DAILY RELIEF - knee rest supports the knee by relieving pain while seated, helping reduce stiffness, swelling and instability. Designed to assist in the recovery process and long-term knee joint care. ANYWHERE YOU GO - Compact and portable, knee rests are ideal for use in cars, airports, or desks; NOTE: Best for users 5ft 10inch and under, it works with chairs at least 18inch deep; Taller and wider sizes coming soon. PHYSICAL THERAPIST INVENTED - Created by a Physical Therapist, were inspired by runners, athletes, and active individuals. This rest is simple and effective, gently changes the knee angle - with no high-tech setups required. A MODERN SOLUTION FOR KNEE PAIN - For cramped or long-term seated positions, offers a sleek design that is portable and travels anywhere to keep you active for years to come. DURABLE & EASY TO CLEAN - Made from high-quality materials that are easy to wipe clean. Color: Black / As Shown Material: ABS Package Contents: 1 * Knee Rest Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.