1. 15% Spandex, 85% Polyester 2. HIGHQUALITY: Made with spandex premium fabric that is thicker and softer, 85% polyester/15% spandex fabric with small checks jacquard pattern. High elasticity, more flexible, and easy to stretch, give your sofa arm a fresh look. 3. FUNCTION: Comes with 2pcs armrests. Having an armrest cover not only protects your furniture arm from daily tears, spills, stains, and scratches but also gives your furniture a look. A musthave for homes with children and pets. 4. PERFECT FIT: Velcro design allows your arm covers to fit well on fabric and leather furniture. Armrests cover length: 45.5 53cm; Armrests cover width: 16.5 20cm; Armrests cover height: 20 28cm. Please measure the size of the chair before . 5. EFFORTLESS INSTALLMENT: Just locate the corner, drape over the furniture arm, and secure the armrests firmly with twisted nail anchors without tears or damage. Easy installation and removal.