Durable Material: Made of high-quality polyester and spandex, these office chair armrest covers are water-resistant, durable, and stretchy. The stretchy office chair covers are designed to protect your chair from stains and wear. Zipper Closure: These office chair armrest covers feature a zipper closure for a secure, non-slip fit. The desk chair covers ensure they stay in place and give your chair a sleek look. Easy to Clean: These office chair armrest covers are machine and hand washable and are easy to care for. Avoid chlorine bleaching and ironing to ensure the covers last longer. Universal Fit: These office chair armrest covers are designed for armrests up to 45 cm (18 inches) long and 7.5 cm (3 inches) wide. These spandex chair covers fit most office chairs. 2-Piece Set: These office chair armrest covers include two black armrest covers, providing complete protection for one chair and making a practical and stylish addition to your workspace.